Solve for a
a=24
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5a+6-2a=78
Subtract 2a from both sides.
3a+6=78
Combine 5a and -2a to get 3a.
3a=78-6
Subtract 6 from both sides.
3a=72
Subtract 6 from 78 to get 72.
a=\frac{72}{3}
Divide both sides by 3.
a=24
Divide 72 by 3 to get 24.
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