Solve for a
a=\frac{2}{25}=0.08
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50=625a
Calculate 25 to the power of 2 and get 625.
625a=50
Swap sides so that all variable terms are on the left hand side.
a=\frac{50}{625}
Divide both sides by 625.
a=\frac{2}{25}
Reduce the fraction \frac{50}{625} to lowest terms by extracting and canceling out 25.
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