Solve for x
x=0.8
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9x=5.4+1.8
Add 1.8 to both sides.
9x=7.2
Add 5.4 and 1.8 to get 7.2.
x=\frac{7.2}{9}
Divide both sides by 9.
x=\frac{72}{90}
Expand \frac{7.2}{9} by multiplying both numerator and the denominator by 10.
x=\frac{4}{5}
Reduce the fraction \frac{72}{90} to lowest terms by extracting and canceling out 18.
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