7m+45=19m-99

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Solution for 7m+45=19m-99 equation: 



7m+45=19m-99

We move all terms to the left:

7m+45-(19m-99)=0

We get rid of parentheses

7m-19m+99+45=0

We add all the numbers together, and all the variables

-12m+144=0

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

-12m=-144

m=-144/-12

m=+12

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