Solve for a
a=-4b-8
Solve for b
b=-\frac{a}{4}-2
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a+8=-4b
Subtract 4b from both sides. Anything subtracted from zero gives its negation.
a=-4b-8
Subtract 8 from both sides.
4b+8=-a
Subtract a from both sides. Anything subtracted from zero gives its negation.
4b=-a-8
Subtract 8 from both sides.
\frac{4b}{4}=\frac{-a-8}{4}
Divide both sides by 4.
b=\frac{-a-8}{4}
Dividing by 4 undoes the multiplication by 4.
b=-\frac{a}{4}-2
Divide -a-8 by 4.
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