Solve for x
x=-3
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-3x+7=16
Square both sides of the equation.
-3x+7-7=16-7
Subtract 7 from both sides of the equation.
-3x=16-7
Subtracting 7 from itself leaves 0.
-3x=9
Subtract 7 from 16.
\frac{-3x}{-3}=\frac{9}{-3}
Divide both sides by -3.
x=\frac{9}{-3}
Dividing by -3 undoes the multiplication by -3.
x=-3
Divide 9 by -3.
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Limits
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