-4=9-m

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Solution for -4=9-m equation: 



-4=9-m

We move all terms to the left:

-4-(9-m)=0

We add all the numbers together, and all the variables

-(-1m+9)-4=0

We get rid of parentheses

1m-9-4=0

We add all the numbers together, and all the variables

m-13=0

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

m=13

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