-8=-1.3m-2.1m

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Solution for -8=-1.3m-2.1m equation: 



-8=-1.3m-2.1m

We move all terms to the left:

-8-(-1.3m-2.1m)=0

We add all the numbers together, and all the variables

-(-3.4m)-8=0

We get rid of parentheses

3.4m-8=0

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

3.4m=8

m=8/3.4

m=2+1/2.8333333333333

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