Solve for x
x=18\left(y-2\right)
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8x-4y-7\left(2y+x\right)=-36
Use the distributive property to multiply 4 by 2x-y.
8x-4y-14y-7x=-36
Use the distributive property to multiply -7 by 2y+x.
8x-18y-7x=-36
Combine -4y and -14y to get -18y.
x-18y=-36
Combine 8x and -7x to get x.
x=-36+18y
Add 18y to both sides.
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
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