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(2x+1)+(31)=180
We move all terms to the left:
(2x+1)+(31)-(180)=0
We add all the numbers together, and all the variables
(2x+1)-149=0
We get rid of parentheses
2x+1-149=0
We add all the numbers together, and all the variables
2x-148=0
We move all terms containing x to the left, all other terms to the right
2x=148
x=148/2
x=74
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