-3m+9=-4(-5+m)-3

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Solution for -3m+9=-4(-5+m)-3 equation: 



-3m+9=-4(-5+m)-3

We move all terms to the left:

-3m+9-(-4(-5+m)-3)=0

We add all the numbers together, and all the variables

-3m-(-4(m-5)-3)+9=0



We calculate terms in parentheses: -(-4(m-5)-3), so:

-4(m-5)-3

We multiply parentheses

-4m+20-3

We add all the numbers together, and all the variables

-4m+17

Back to the equation:

-(-4m+17)



We get rid of parentheses

-3m+4m-17+9=0

We add all the numbers together, and all the variables

m-8=0

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

m=8

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