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3x+8=27.8
Swap sides so that all variable terms are on the left hand side.
3x=27.8-8
Subtract 8 from both sides.
3x=19.8
Subtract 8 from 27.8 to get 19.8.
x=\frac{19.8}{3}
Divide both sides by 3.
x=\frac{198}{30}
Expand \frac{19.8}{3} by multiplying both numerator and the denominator by 10.
x=\frac{33}{5}
Reduce the fraction \frac{198}{30} to lowest terms by extracting and canceling out 6.