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3(2x+1)=-13
We move all terms to the left:
3(2x+1)-(-13)=0
We add all the numbers together, and all the variables
3(2x+1)+13=0
We multiply parentheses
6x+3+13=0
We add all the numbers together, and all the variables
6x+16=0
We move all terms containing x to the left, all other terms to the right
6x=-16
x=-16/6
x=-2+2/3
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