4(7+8m)=-100

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Solution for 4(7+8m)=-100 equation: 



4(7+8m)=-100

We move all terms to the left:

4(7+8m)-(-100)=0

We add all the numbers together, and all the variables

4(8m+7)-(-100)=0

We add all the numbers together, and all the variables

4(8m+7)+100=0

We multiply parentheses

32m+28+100=0

We add all the numbers together, and all the variables

32m+128=0

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

32m=-128

m=-128/32

m=-4

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