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31.7-3x=14
Swap sides so that all variable terms are on the left hand side.
-3x=14-31.7
Subtract 31.7 from both sides.
-3x=-17.7
Subtract 31.7 from 14 to get -17.7.
x=\frac{-17.7}{-3}
Divide both sides by -3.
x=\frac{-177}{-30}
Expand \frac{-17.7}{-3} by multiplying both numerator and the denominator by 10.
x=\frac{59}{10}
Reduce the fraction \frac{-177}{-30} to lowest terms by extracting and canceling out -3.