Solve for x
x = -\frac{5}{3} = -1\frac{2}{3} \approx -1.666666667
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Linear Equation
5 problems similar to:
\frac{ x-1 }{ 5 } - \frac{ 2+3x }{ 2 } + \frac{ 7 }{ 10 } =-x
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2\left(x-1\right)-5\left(2+3x\right)+7=-10x
Multiply both sides of the equation by 10, the least common multiple of 5,2,10.
2x-2-5\left(2+3x\right)+7=-10x
Use the distributive property to multiply 2 by x-1.
2x-2-10-15x+7=-10x
Use the distributive property to multiply -5 by 2+3x.
2x-12-15x+7=-10x
Subtract 10 from -2 to get -12.
-13x-12+7=-10x
Combine 2x and -15x to get -13x.
-13x-5=-10x
Add -12 and 7 to get -5.
-13x-5+10x=0
Add 10x to both sides.
-3x-5=0
Combine -13x and 10x to get -3x.
-3x=5
Add 5 to both sides. Anything plus zero gives itself.
x=\frac{5}{-3}
Divide both sides by -3.
x=-\frac{5}{3}
Fraction \frac{5}{-3} can be rewritten as -\frac{5}{3} by extracting the negative sign.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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\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}