Solve for a
a = \frac{6}{5} = 1\frac{1}{5} = 1.2
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10a+3=15
Swap sides so that all variable terms are on the left hand side.
10a=15-3
Subtract 3 from both sides.
10a=12
Subtract 3 from 15 to get 12.
a=\frac{12}{10}
Divide both sides by 10.
a=\frac{6}{5}
Reduce the fraction \frac{12}{10} to lowest terms by extracting and canceling out 2.
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