m+4=-m

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Solution for m+4=-m equation: 



m+4=-m

We move all terms to the left:

m+4-(-m)=0

We add all the numbers together, and all the variables

m-(-1m)+4=0

We get rid of parentheses

m+1m+4=0

We add all the numbers together, and all the variables

2m+4=0

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

2m=-4

m=-4/2

m=-2

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