Solve for x
x = \frac{13}{5} = 2\frac{3}{5} = 2.6
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Linear Equation
5 problems similar to:
\frac{ 2x }{ 3 } - \frac{ 2x+1 }{ 6 } = \frac{ 3x-5 }{ 4 }
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4\times 2x-2\left(2x+1\right)=3\left(3x-5\right)
Multiply both sides of the equation by 12, the least common multiple of 3,6,4.
8x-2\left(2x+1\right)=3\left(3x-5\right)
Multiply 4 and 2 to get 8.
8x-4x-2=3\left(3x-5\right)
Use the distributive property to multiply -2 by 2x+1.
4x-2=3\left(3x-5\right)
Combine 8x and -4x to get 4x.
4x-2=9x-15
Use the distributive property to multiply 3 by 3x-5.
4x-2-9x=-15
Subtract 9x from both sides.
-5x-2=-15
Combine 4x and -9x to get -5x.
-5x=-15+2
Add 2 to both sides.
-5x=-13
Add -15 and 2 to get -13.
x=\frac{-13}{-5}
Divide both sides by -5.
x=\frac{13}{5}
Fraction \frac{-13}{-5} can be simplified to \frac{13}{5} by removing the negative sign from both the numerator and the denominator.
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}