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-8=1.3-2.1m
We move all terms to the left:
-8-(1.3-2.1m)=0
We add all the numbers together, and all the variables
-(-2.1m+1.3)-8=0
We get rid of parentheses
2.1m-1.3-8=0
We add all the numbers together, and all the variables
2.1m-9.3=0
We move all terms containing m to the left, all other terms to the right
2.1m=9.3
m=9.3/2.1
m=4+0.9/2.1
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