Solve for x
x=\frac{5}{9}\approx 0.555555556
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10.8x=420-414
Subtract 414 from both sides.
10.8x=6
Subtract 414 from 420 to get 6.
x=\frac{6}{10.8}
Divide both sides by 10.8.
x=\frac{60}{108}
Expand \frac{6}{10.8} by multiplying both numerator and the denominator by 10.
x=\frac{5}{9}
Reduce the fraction \frac{60}{108} to lowest terms by extracting and canceling out 12.
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