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2(3+x+5+x)=23
We move all terms to the left:
2(3+x+5+x)-(23)=0
We add all the numbers together, and all the variables
2(2x+8)-23=0
We multiply parentheses
4x+16-23=0
We add all the numbers together, and all the variables
4x-7=0
We move all terms containing x to the left, all other terms to the right
4x=7
x=7/4
x=1+3/4
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