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3(2x+1)-2=-23
We move all terms to the left:
3(2x+1)-2-(-23)=0
We add all the numbers together, and all the variables
3(2x+1)+21=0
We multiply parentheses
6x+3+21=0
We add all the numbers together, and all the variables
6x+24=0
We move all terms containing x to the left, all other terms to the right
6x=-24
x=-24/6
x=-4