(-7m+42)=(-7+20)

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Solution for (-7m+42)=(-7+20) equation: 



(-7m+42)=(-7+20)

We move all terms to the left:

(-7m+42)-((-7+20))=0

We add all the numbers together, and all the variables

(-7m+42)-(13)=0

We add all the numbers together, and all the variables

(-7m+42)-13=0

We get rid of parentheses

-7m+42-13=0

We add all the numbers together, and all the variables

-7m+29=0

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

-7m=-29

m=-29/-7

m=4+1/7

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