Solve for x
x=\frac{8-y_{2}}{15}
Solve for y_2
y_{2}=8-15x
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-15x+8=y_{2}
Swap sides so that all variable terms are on the left hand side.
-15x=y_{2}-8
Subtract 8 from both sides.
\frac{-15x}{-15}=\frac{y_{2}-8}{-15}
Divide both sides by -15.
x=\frac{y_{2}-8}{-15}
Dividing by -15 undoes the multiplication by -15.
x=\frac{8-y_{2}}{15}
Divide y_{2}-8 by -15.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
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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
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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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