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5(x+4)+12=-3
We move all terms to the left:
5(x+4)+12-(-3)=0
We add all the numbers together, and all the variables
5(x+4)+15=0
We multiply parentheses
5x+20+15=0
We add all the numbers together, and all the variables
5x+35=0
We move all terms containing x to the left, all other terms to the right
5x=-35
x=-35/5
x=-7
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