Question

m=2n+7
3m+n=35

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Answer 1

Respuesta:

m = 11

n = 2

Explicación paso a paso:

3 ( 2n + 7 ) + n = 35

6n + 21 + n = 35

7n = 35 - 21

7n = 14

n = 14 / 7

n = 2

m = 2n + 7

m = 2(2) + 7

m = 4 + 7

m = 11