Solve for x
x=1.25
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9x+4.5=15.75
Multiply 9 and 0.5 to get 4.5.
9x=15.75-4.5
Subtract 4.5 from both sides.
9x=11.25
Subtract 4.5 from 15.75 to get 11.25.
x=\frac{11.25}{9}
Divide both sides by 9.
x=\frac{1125}{900}
Expand \frac{11.25}{9} by multiplying both numerator and the denominator by 100.
x=\frac{5}{4}
Reduce the fraction \frac{1125}{900} to lowest terms by extracting and canceling out 225.
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