Solve for r
r=34
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\frac{1}{2}r=9+8
Add 8 to both sides.
\frac{1}{2}r=17
Add 9 and 8 to get 17.
r=17\times 2
Multiply both sides by 2, the reciprocal of \frac{1}{2}.
r=34
Multiply 17 and 2 to get 34.
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