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-3x-\frac{151}{20}
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-3x-\frac{151}{20}
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\frac{2\times 2\left(1-3x\right)}{10}-\frac{2+3x}{10}-7-\frac{3\left(2x+1\right)}{4}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of 5 and 10 is 10. Multiply \frac{2\left(1-3x\right)}{5} times \frac{2}{2}.
\frac{2\times 2\left(1-3x\right)-\left(2+3x\right)}{10}-7-\frac{3\left(2x+1\right)}{4}
Since \frac{2\times 2\left(1-3x\right)}{10} and \frac{2+3x}{10} have the same denominator, subtract them by subtracting their numerators.
\frac{4-12x-2-3x}{10}-7-\frac{3\left(2x+1\right)}{4}
Do the multiplications in 2\times 2\left(1-3x\right)-\left(2+3x\right).
\frac{2-15x}{10}-7-\frac{3\left(2x+1\right)}{4}
Combine like terms in 4-12x-2-3x.
\frac{2-15x}{10}-\frac{7\times 10}{10}-\frac{3\left(2x+1\right)}{4}
To add or subtract expressions, expand them to make their denominators the same. Multiply 7 times \frac{10}{10}.
\frac{2-15x-7\times 10}{10}-\frac{3\left(2x+1\right)}{4}
Since \frac{2-15x}{10} and \frac{7\times 10}{10} have the same denominator, subtract them by subtracting their numerators.
\frac{2-15x-70}{10}-\frac{3\left(2x+1\right)}{4}
Do the multiplications in 2-15x-7\times 10.
\frac{-68-15x}{10}-\frac{3\left(2x+1\right)}{4}
Combine like terms in 2-15x-70.
\frac{2\left(-68-15x\right)}{20}-\frac{5\times 3\left(2x+1\right)}{20}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of 10 and 4 is 20. Multiply \frac{-68-15x}{10} times \frac{2}{2}. Multiply \frac{3\left(2x+1\right)}{4} times \frac{5}{5}.
\frac{2\left(-68-15x\right)-5\times 3\left(2x+1\right)}{20}
Since \frac{2\left(-68-15x\right)}{20} and \frac{5\times 3\left(2x+1\right)}{20} have the same denominator, subtract them by subtracting their numerators.
\frac{-136-30x-30x-15}{20}
Do the multiplications in 2\left(-68-15x\right)-5\times 3\left(2x+1\right).
\frac{-151-60x}{20}
Combine like terms in -136-30x-30x-15.
\frac{2\times 2\left(1-3x\right)}{10}-\frac{2+3x}{10}-7-\frac{3\left(2x+1\right)}{4}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of 5 and 10 is 10. Multiply \frac{2\left(1-3x\right)}{5} times \frac{2}{2}.
\frac{2\times 2\left(1-3x\right)-\left(2+3x\right)}{10}-7-\frac{3\left(2x+1\right)}{4}
Since \frac{2\times 2\left(1-3x\right)}{10} and \frac{2+3x}{10} have the same denominator, subtract them by subtracting their numerators.
\frac{4-12x-2-3x}{10}-7-\frac{3\left(2x+1\right)}{4}
Do the multiplications in 2\times 2\left(1-3x\right)-\left(2+3x\right).
\frac{2-15x}{10}-7-\frac{3\left(2x+1\right)}{4}
Combine like terms in 4-12x-2-3x.
\frac{2-15x}{10}-\frac{7\times 10}{10}-\frac{3\left(2x+1\right)}{4}
To add or subtract expressions, expand them to make their denominators the same. Multiply 7 times \frac{10}{10}.
\frac{2-15x-7\times 10}{10}-\frac{3\left(2x+1\right)}{4}
Since \frac{2-15x}{10} and \frac{7\times 10}{10} have the same denominator, subtract them by subtracting their numerators.
\frac{2-15x-70}{10}-\frac{3\left(2x+1\right)}{4}
Do the multiplications in 2-15x-7\times 10.
\frac{-68-15x}{10}-\frac{3\left(2x+1\right)}{4}
Combine like terms in 2-15x-70.
\frac{2\left(-68-15x\right)}{20}-\frac{5\times 3\left(2x+1\right)}{20}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of 10 and 4 is 20. Multiply \frac{-68-15x}{10} times \frac{2}{2}. Multiply \frac{3\left(2x+1\right)}{4} times \frac{5}{5}.
\frac{2\left(-68-15x\right)-5\times 3\left(2x+1\right)}{20}
Since \frac{2\left(-68-15x\right)}{20} and \frac{5\times 3\left(2x+1\right)}{20} have the same denominator, subtract them by subtracting their numerators.
\frac{-136-30x-30x-15}{20}
Do the multiplications in 2\left(-68-15x\right)-5\times 3\left(2x+1\right).
\frac{-151-60x}{20}
Combine like terms in -136-30x-30x-15.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}