-7(x+5)=-14
We move all terms to the left:
-7(x+5)-(-14)=0
We add all the numbers together, and all the variables
-7(x+5)+14=0
We multiply parentheses
-7x-35+14=0
We add all the numbers together, and all the variables
-7x-21=0
We move all terms containing x to the left, all other terms to the right
-7x=21
x=21/-7
x=-3
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