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-x-42=18+5x
We move all terms to the left:
-x-42-(18+5x)=0
We add all the numbers together, and all the variables
-x-(5x+18)-42=0
We add all the numbers together, and all the variables
-1x-(5x+18)-42=0
We get rid of parentheses
-1x-5x-18-42=0
We add all the numbers together, and all the variables
-6x-60=0
We move all terms containing x to the left, all other terms to the right
-6x=60
x=60/-6
x=-10
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