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\frac{7}{5}x\times \frac{80}{100}=432+x
Reduce the fraction \frac{140}{100} to lowest terms by extracting and canceling out 20.
\frac{7}{5}x\times \frac{4}{5}=432+x
Reduce the fraction \frac{80}{100} to lowest terms by extracting and canceling out 20.
\frac{7\times 4}{5\times 5}x=432+x
Multiply \frac{7}{5} times \frac{4}{5} by multiplying numerator times numerator and denominator times denominator.
\frac{28}{25}x=432+x
Do the multiplications in the fraction \frac{7\times 4}{5\times 5}.
\frac{28}{25}x-x=432
Subtract x from both sides.
\frac{3}{25}x=432
Combine \frac{28}{25}x and -x to get \frac{3}{25}x.
x=432\times \frac{25}{3}
Multiply both sides by \frac{25}{3}, the reciprocal of \frac{3}{25}.
x=\frac{432\times 25}{3}
Express 432\times \frac{25}{3} as a single fraction.
x=\frac{10800}{3}
Multiply 432 and 25 to get 10800.
x=3600
Divide 10800 by 3 to get 3600.