Solve for x
x = \frac{80}{7} = 11\frac{3}{7} \approx 11.428571429
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4.2x=48
Combine 5.2x and -x to get 4.2x.
x=\frac{48}{4.2}
Divide both sides by 4.2.
x=\frac{480}{42}
Expand \frac{48}{4.2} by multiplying both numerator and the denominator by 10.
x=\frac{80}{7}
Reduce the fraction \frac{480}{42} to lowest terms by extracting and canceling out 6.
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