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(x)+(x+1)+x+2=306
We move all terms to the left:
(x)+(x+1)+x+2-(306)=0
We add all the numbers together, and all the variables
2x+(x+1)-304=0
We get rid of parentheses
2x+x+1-304=0
We add all the numbers together, and all the variables
3x-303=0
We move all terms containing x to the left, all other terms to the right
3x=303
x=303/3
x=101
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