3(2m-10)=90

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Solution for 3(2m-10)=90 equation: 



3(2m-10)=90

We move all terms to the left:

3(2m-10)-(90)=0

We multiply parentheses

6m-30-90=0

We add all the numbers together, and all the variables

6m-120=0

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

6m=120

m=120/6

m=20

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