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-5(x+1)-2x+5=42
We move all terms to the left:
-5(x+1)-2x+5-(42)=0
We add all the numbers together, and all the variables
-2x-5(x+1)-37=0
We multiply parentheses
-2x-5x-5-37=0
We add all the numbers together, and all the variables
-7x-42=0
We move all terms containing x to the left, all other terms to the right
-7x=42
x=42/-7
x=-6
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