Solve for R
R=200
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\frac{220}{1.1}=R
Divide both sides by 1.1.
\frac{2200}{11}=R
Expand \frac{220}{1.1} by multiplying both numerator and the denominator by 10.
200=R
Divide 2200 by 11 to get 200.
R=200
Swap sides so that all variable terms are on the left hand side.
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