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x+13-1.6=0.75x
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by x.
x+11.4=0.75x
Subtract 1.6 from 13 to get 11.4.
x+11.4-0.75x=0
Subtract 0.75x from both sides.
0.25x+11.4=0
Combine x and -0.75x to get 0.25x.
0.25x=-11.4
Subtract 11.4 from both sides. Anything subtracted from zero gives its negation.
x=\frac{-11.4}{0.25}
Divide both sides by 0.25.
x=\frac{-1140}{25}
Expand \frac{-11.4}{0.25} by multiplying both numerator and the denominator by 100.
x=-\frac{228}{5}
Reduce the fraction \frac{-1140}{25} to lowest terms by extracting and canceling out 5.