Solve for x
x=5.0625
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4x=20.25
Multiply 4.5 and 4.5 to get 20.25.
x=\frac{20.25}{4}
Divide both sides by 4.
x=\frac{2025}{400}
Expand \frac{20.25}{4} by multiplying both numerator and the denominator by 100.
x=\frac{81}{16}
Reduce the fraction \frac{2025}{400} to lowest terms by extracting and canceling out 25.
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