5m-3=2.5m-21

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Solution for 5m-3=2.5m-21 equation: 



5m-3=2.5m-21

We move all terms to the left:

5m-3-(2.5m-21)=0

We get rid of parentheses

5m-2.5m+21-3=0

We add all the numbers together, and all the variables

2.5m+18=0

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

2.5m=-18

m=-18/2.5

m=-7+0.5/2.5

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