Solve for x
x=4.487
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22.435=5x
Subtract 20 from 42.435 to get 22.435.
5x=22.435
Swap sides so that all variable terms are on the left hand side.
x=\frac{22.435}{5}
Divide both sides by 5.
x=\frac{22435}{5000}
Expand \frac{22.435}{5} by multiplying both numerator and the denominator by 1000.
x=\frac{4487}{1000}
Reduce the fraction \frac{22435}{5000} to lowest terms by extracting and canceling out 5.
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