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19=5.2+2.8m
We move all terms to the left:
19-(5.2+2.8m)=0
We add all the numbers together, and all the variables
-(2.8m+5.2)+19=0
We get rid of parentheses
-2.8m-5.2+19=0
We add all the numbers together, and all the variables
-2.8m+13.8=0
We move all terms containing m to the left, all other terms to the right
-2.8m=-13.8
m=-13.8/-2.8
m=4+1/1.0769230769231
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