Solve for r
r=7
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9r+41=104
Combine 4r and 5r to get 9r.
9r=104-41
Subtract 41 from both sides.
9r=63
Subtract 41 from 104 to get 63.
r=\frac{63}{9}
Divide both sides by 9.
r=7
Divide 63 by 9 to get 7.
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