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3(x+3)-1=87
We move all terms to the left:
3(x+3)-1-(87)=0
We add all the numbers together, and all the variables
3(x+3)-88=0
We multiply parentheses
3x+9-88=0
We add all the numbers together, and all the variables
3x-79=0
We move all terms containing x to the left, all other terms to the right
3x=79
x=79/3
x=26+1/3
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