m+7=-m-9

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Solution for m+7=-m-9 equation: 



m+7=-m-9

We move all terms to the left:

m+7-(-m-9)=0

We add all the numbers together, and all the variables

m-(-1m-9)+7=0

We get rid of parentheses

m+1m+9+7=0

We add all the numbers together, and all the variables

2m+16=0

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

2m=-16

m=-16/2

m=-8

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