Solve for x
x=\frac{x_{2}}{4}
Solve for x_2
x_{2}=4x
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-4x=-x_{2}
Subtract x_{2} from both sides. Anything subtracted from zero gives its negation.
\frac{-4x}{-4}=-\frac{x_{2}}{-4}
Divide both sides by -4.
x=-\frac{x_{2}}{-4}
Dividing by -4 undoes the multiplication by -4.
x=\frac{x_{2}}{4}
Divide -x_{2} by -4.
x_{2}=4x
Add 4x to both sides. Anything plus zero gives itself.
Examples
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Matrix
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Limits
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