Solve for x
x=10
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10-2x+2\left(2x-1\right)=3x-2
Use the distributive property to multiply 2 by 5-x.
10-2x+4x-2=3x-2
Use the distributive property to multiply 2 by 2x-1.
10+2x-2=3x-2
Combine -2x and 4x to get 2x.
8+2x=3x-2
Subtract 2 from 10 to get 8.
8+2x-3x=-2
Subtract 3x from both sides.
8-x=-2
Combine 2x and -3x to get -x.
-x=-2-8
Subtract 8 from both sides.
-x=-10
Subtract 8 from -2 to get -10.
x=10
Multiply both sides by -1.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}