Solve for a
a=0
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5a-\frac{1}{25}a=0
Subtract \frac{1}{25}a from both sides.
\frac{124}{25}a=0
Combine 5a and -\frac{1}{25}a to get \frac{124}{25}a.
a=0
Product of two numbers is equal to 0 if at least one of them is 0. Since \frac{124}{25} is not equal to 0, a must be equal to 0.
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