Solve for a
a=\frac{2}{3}\approx 0.666666667
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7a-3+2a=3
Add 2a to both sides.
9a-3=3
Combine 7a and 2a to get 9a.
9a=3+3
Add 3 to both sides.
9a=6
Add 3 and 3 to get 6.
a=\frac{6}{9}
Divide both sides by 9.
a=\frac{2}{3}
Reduce the fraction \frac{6}{9} to lowest terms by extracting and canceling out 3.
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