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100-\frac{x}{100}=\frac{2972.37}{3386.15}
Divide both sides by 3386.15.
100-\frac{x}{100}=\frac{297237}{338615}
Expand \frac{2972.37}{3386.15} by multiplying both numerator and the denominator by 100.
677230000-67723x=5944740
Multiply both sides of the equation by 6772300, the least common multiple of 100,338615.
-67723x=5944740-677230000
Subtract 677230000 from both sides.
-67723x=-671285260
Subtract 677230000 from 5944740 to get -671285260.
x=\frac{-671285260}{-67723}
Divide both sides by -67723.
x=\frac{671285260}{67723}
Fraction \frac{-671285260}{-67723} can be simplified to \frac{671285260}{67723} by removing the negative sign from both the numerator and the denominator.