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x*2+x=76
We move all terms to the left:
x*2+x-(76)=0
We add all the numbers together, and all the variables
x+x*2-76=0
Wy multiply elements
x+2x-76=0
We add all the numbers together, and all the variables
3x-76=0
We move all terms containing x to the left, all other terms to the right
3x=76
x=76/3
x=25+1/3
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