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Stella [2.4K]
4 years ago
12

Evaluate 117 - 5r for r = 9

Mathematics
2 answers:
Sever21 [200]4 years ago
6 0
So for variables, you just substitute the number in for the variable.

177 - 5r

If r = 9,

117 - 5 × 9

117 - 45

72
Marta_Voda [28]4 years ago
6 0
the answer to the question is 72
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