3(5m+4)=42

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Solution for 3(5m+4)=42 equation: 



3(5m+4)=42

We move all terms to the left:

3(5m+4)-(42)=0

We multiply parentheses

15m+12-42=0

We add all the numbers together, and all the variables

15m-30=0

We move all terms containing m to the left, all other terms to the right

15m=30

m=30/15

m=2

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