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Alex73 [517]
3 years ago
11

Solve for the value of r

Mathematics
1 answer:
DENIUS [597]3 years ago
5 0

Answer:

r = 13

Step-by-step explanation:

(8r + 5) + (5r + 6) = 180 \\ 13r + 11 = 180 \\ 13r = 180 - 11 \\ 13r = 169 \\  \\ r =  \frac{169}{13}  \\  \\ r = 13

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