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30=20+0.15m
We move all terms to the left:
30-(20+0.15m)=0
We add all the numbers together, and all the variables
-(0.15m+20)+30=0
We get rid of parentheses
-0.15m-20+30=0
We add all the numbers together, and all the variables
-0.15m+10=0
We move all terms containing m to the left, all other terms to the right
-0.15m=-10
m=-10/-0.15
m=66+0.1/0.15
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