Solve for x
x=0.42
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252=x\times \frac{132}{0.22}
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by x.
252=x\times \frac{13200}{22}
Expand \frac{132}{0.22} by multiplying both numerator and the denominator by 100.
252=x\times 600
Divide 13200 by 22 to get 600.
x\times 600=252
Swap sides so that all variable terms are on the left hand side.
x=\frac{252}{600}
Divide both sides by 600.
x=\frac{21}{50}
Reduce the fraction \frac{252}{600} to lowest terms by extracting and canceling out 12.
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