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\frac{50}{7}a-\frac{300}{7}=36
Swap sides so that all variable terms are on the left hand side.
\frac{50}{7}a=36+\frac{300}{7}
Add \frac{300}{7} to both sides.
\frac{50}{7}a=\frac{252}{7}+\frac{300}{7}
Convert 36 to fraction \frac{252}{7}.
\frac{50}{7}a=\frac{252+300}{7}
Since \frac{252}{7} and \frac{300}{7} have the same denominator, add them by adding their numerators.
\frac{50}{7}a=\frac{552}{7}
Add 252 and 300 to get 552.
a=\frac{552}{7}\times \frac{7}{50}
Multiply both sides by \frac{7}{50}, the reciprocal of \frac{50}{7}.
a=\frac{552\times 7}{7\times 50}
Multiply \frac{552}{7} times \frac{7}{50} by multiplying numerator times numerator and denominator times denominator.
a=\frac{552}{50}
Cancel out 7 in both numerator and denominator.
a=\frac{276}{25}
Reduce the fraction \frac{552}{50} to lowest terms by extracting and canceling out 2.