Solve for a
a=-4
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52+16a+12=0
Add -64 and 116 to get 52.
64+16a=0
Add 52 and 12 to get 64.
16a=-64
Subtract 64 from both sides. Anything subtracted from zero gives its negation.
a=\frac{-64}{16}
Divide both sides by 16.
a=-4
Divide -64 by 16 to get -4.
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