Solve for x
x=-\frac{A}{6}+7
Solve for A
A=42-6x
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42-6x=A
Swap sides so that all variable terms are on the left hand side.
-6x=A-42
Subtract 42 from both sides.
\frac{-6x}{-6}=\frac{A-42}{-6}
Divide both sides by -6.
x=\frac{A-42}{-6}
Dividing by -6 undoes the multiplication by -6.
x=-\frac{A}{6}+7
Divide A-42 by -6.
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