m+3=-m-3

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Solution for m+3=-m-3 equation: 



m+3=-m-3

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

m+1m+3+3=0

We add all the numbers together, and all the variables

2m+6=0

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

2m=-6

m=-6/2

m=-3

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