20m-45=-5m-145

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Solution for 20m-45=-5m-145 equation: 



20m-45=-5m-145

We move all terms to the left:

20m-45-(-5m-145)=0

We get rid of parentheses

20m+5m+145-45=0

We add all the numbers together, and all the variables

25m+100=0

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

25m=-100

m=-100/25

m=-4

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