-4+7=(1m-3m)

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Solution for -4+7=(1m-3m) equation: 



-4+7=(1m-3m)

We move all terms to the left:

-4+7-((1m-3m))=0

We add all the numbers together, and all the variables

-((-2m))-4+7=0

We add all the numbers together, and all the variables

-((-2m))+3=0



We calculate terms in parentheses: -((-2m)), so:

(-2m)

We get rid of parentheses

-2m

Back to the equation:

-(-2m)



We get rid of parentheses

2m+3=0

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

2m=-3

m=-3/2

m=-1+1/2

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