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-2(-4m-6.4)=4.48
We move all terms to the left:
-2(-4m-6.4)-(4.48)=0
We add all the numbers together, and all the variables
-2(-4m-6.4)-4.48=0
We multiply parentheses
8m+12.8-4.48=0
We add all the numbers together, and all the variables
8m+8.32=0
We move all terms containing m to the left, all other terms to the right
8m=-8.32
m=-8.32/8
m=-1+0.32/8
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