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-84=2x/7
We move all terms to the left:
-84-(2x/7)=0
We add all the numbers together, and all the variables
-(+2x/7)-84=0
We get rid of parentheses
-2x/7-84=0
We multiply all the terms by the denominator
-2x-84*7=0
We add all the numbers together, and all the variables
-2x-588=0
We move all terms containing x to the left, all other terms to the right
-2x=588
x=588/-2
x=-294
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