Solve for x
x=0.8
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2.5x=0.9+1.1
Add 1.1 to both sides.
2.5x=2
Add 0.9 and 1.1 to get 2.
x=\frac{2}{2.5}
Divide both sides by 2.5.
x=\frac{20}{25}
Expand \frac{2}{2.5} by multiplying both numerator and the denominator by 10.
x=\frac{4}{5}
Reduce the fraction \frac{20}{25} to lowest terms by extracting and canceling out 5.
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