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-2x-3x=4x-42
We move all terms to the left:
-2x-3x-(4x-42)=0
We add all the numbers together, and all the variables
-5x-(4x-42)=0
We get rid of parentheses
-5x-4x+42=0
We add all the numbers together, and all the variables
-9x+42=0
We move all terms containing x to the left, all other terms to the right
-9x=-42
x=-42/-9
x=4+2/3
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