Solve for x
x=2.1
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4.2x=11.82-3
Subtract 3 from both sides.
4.2x=8.82
Subtract 3 from 11.82 to get 8.82.
x=\frac{8.82}{4.2}
Divide both sides by 4.2.
x=\frac{882}{420}
Expand \frac{8.82}{4.2} by multiplying both numerator and the denominator by 100.
x=\frac{21}{10}
Reduce the fraction \frac{882}{420} to lowest terms by extracting and canceling out 42.
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