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8.7m+11.74=-12.58+6.8m
We move all terms to the left:
8.7m+11.74-(-12.58+6.8m)=0
We add all the numbers together, and all the variables
8.7m-(6.8m-12.58)+11.74=0
We get rid of parentheses
8.7m-6.8m+12.58+11.74=0
We add all the numbers together, and all the variables
1.9m+24.32=0
We move all terms containing m to the left, all other terms to the right
1.9m=-24.32
m=-24.32/1.9
m=-12+1/1.25
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