Solve for a
a=3
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6+2a=12
Multiply both sides of the equation by 3.
2a=12-6
Subtract 6 from both sides.
2a=6
Subtract 6 from 12 to get 6.
a=\frac{6}{2}
Divide both sides by 2.
a=3
Divide 6 by 2 to get 3.
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