Solve for a
a=3
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a\left(-3\right)+6=-3
Swap sides so that all variable terms are on the left hand side.
a\left(-3\right)=-3-6
Subtract 6 from both sides.
a\left(-3\right)=-9
Subtract 6 from -3 to get -9.
a=\frac{-9}{-3}
Divide both sides by -3.
a=3
Divide -9 by -3 to get 3.
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