Solve for a
a=\frac{1}{20}=0.05
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1000a=50-0a
Multiply 0 and 5 to get 0.
1000a=50-0
Anything times zero gives zero.
1000a=50
Subtract 0 from 50 to get 50.
a=\frac{50}{1000}
Divide both sides by 1000.
a=\frac{1}{20}
Reduce the fraction \frac{50}{1000} to lowest terms by extracting and canceling out 50.
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