Solve for a
a=-5
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12-8a=52
Swap sides so that all variable terms are on the left hand side.
-8a=52-12
Subtract 12 from both sides.
-8a=40
Subtract 12 from 52 to get 40.
a=\frac{40}{-8}
Divide both sides by -8.
a=-5
Divide 40 by -8 to get -5.
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