Solve for x
x=1
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0=-12x+12
Combine -4x and -8x to get -12x.
-12x+12=0
Swap sides so that all variable terms are on the left hand side.
-12x=-12
Subtract 12 from both sides. Anything subtracted from zero gives its negation.
x=\frac{-12}{-12}
Divide both sides by -12.
x=1
Divide -12 by -12 to get 1.
Examples
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Linear equation
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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
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Limits
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