Solve for a
a=3
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-4a+2=5\left(-2\right)
Multiply both sides by -2, the reciprocal of -\frac{1}{2}.
-4a+2=-10
Multiply 5 and -2 to get -10.
-4a=-10-2
Subtract 2 from both sides.
-4a=-12
Subtract 2 from -10 to get -12.
a=\frac{-12}{-4}
Divide both sides by -4.
a=3
Divide -12 by -4 to get 3.
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