Solve for x
x=\frac{N+56}{8}
Solve for N
N=8\left(x-7\right)
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8x-56=N
Swap sides so that all variable terms are on the left hand side.
8x=N+56
Add 56 to both sides.
\frac{8x}{8}=\frac{N+56}{8}
Divide both sides by 8.
x=\frac{N+56}{8}
Dividing by 8 undoes the multiplication by 8.
x=\frac{N}{8}+7
Divide N+56 by 8.
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