18 x = 20 \% ( 151 + 18 x )
Solve for x
x = \frac{151}{72} = 2\frac{7}{72} \approx 2.097222222
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18x=\frac{1}{5}\left(151+18x\right)
Reduce the fraction \frac{20}{100} to lowest terms by extracting and canceling out 20.
18x=\frac{1}{5}\times 151+\frac{1}{5}\times 18x
Use the distributive property to multiply \frac{1}{5} by 151+18x.
18x=\frac{151}{5}+\frac{1}{5}\times 18x
Multiply \frac{1}{5} and 151 to get \frac{151}{5}.
18x=\frac{151}{5}+\frac{18}{5}x
Multiply \frac{1}{5} and 18 to get \frac{18}{5}.
18x-\frac{18}{5}x=\frac{151}{5}
Subtract \frac{18}{5}x from both sides.
\frac{72}{5}x=\frac{151}{5}
Combine 18x and -\frac{18}{5}x to get \frac{72}{5}x.
x=\frac{151}{5}\times \frac{5}{72}
Multiply both sides by \frac{5}{72}, the reciprocal of \frac{72}{5}.
x=\frac{151\times 5}{5\times 72}
Multiply \frac{151}{5} times \frac{5}{72} by multiplying numerator times numerator and denominator times denominator.
x=\frac{151}{72}
Cancel out 5 in both numerator and denominator.
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