3m+(m-15)=90

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Solution for 3m+(m-15)=90 equation: 



3m+(m-15)=90

We move all terms to the left:

3m+(m-15)-(90)=0

We get rid of parentheses

3m+m-15-90=0

We add all the numbers together, and all the variables

4m-105=0

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

4m=105

m=105/4

m=26+1/4

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