1. -88 = -3(4m + 5) - (1 - 3m)

Mathematics

1 answer:

Vadim26 [7]3 years ago

6 0

Answer:

m=8

Step-by-step explanation:

-88=-3(4m+5)-(1-3m)

-88=-12m-15-(1-3m) <- Distributive Property

-88=-12m-15-1+3m <- Open () if there is a negative negative the symbol equals positive

-88=-9m-16 <- Simplify

0=-9m+72 <- Add 88 to both sides

9m = 72 <- Add 9m to both sides

9m = 72

/9 /9

m=8

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