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-8.4=2.4x
We move all terms to the left:
-8.4-(2.4x)=0
We add all the numbers together, and all the variables
-(+2.4x)-8.4=0
We get rid of parentheses
-2.4x-8.4=0
We move all terms containing x to the left, all other terms to the right
-2.4x=8.4
x=8.4/-2.4
x=-3+1/2
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