3+0.4m=1.9m

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Solution for 3+0.4m=1.9m equation: 



3+0.4m=1.9m

We move all terms to the left:

3+0.4m-(1.9m)=0

We add all the numbers together, and all the variables

0.4m-(+1.9m)+3=0

We get rid of parentheses

0.4m-1.9m+3=0

We add all the numbers together, and all the variables

-1.5m+3=0

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

-1.5m=-3

m=-3/-1.5

m=+2

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