Solve for x
x=2.1
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4x=9.6-1.2
Subtract 1.2 from both sides.
4x=8.4
Subtract 1.2 from 9.6 to get 8.4.
x=\frac{8.4}{4}
Divide both sides by 4.
x=\frac{84}{40}
Expand \frac{8.4}{4} by multiplying both numerator and the denominator by 10.
x=\frac{21}{10}
Reduce the fraction \frac{84}{40} to lowest terms by extracting and canceling out 4.
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