Solve for x
x=0.3
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4x+18=19.2
Multiply 4.5 and 4 to get 18.
4x=19.2-18
Subtract 18 from both sides.
4x=1.2
Subtract 18 from 19.2 to get 1.2.
x=\frac{1.2}{4}
Divide both sides by 4.
x=\frac{12}{40}
Expand \frac{1.2}{4} by multiplying both numerator and the denominator by 10.
x=\frac{3}{10}
Reduce the fraction \frac{12}{40} to lowest terms by extracting and canceling out 4.
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