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x+x/2+x=115
We move all terms to the left:
x+x/2+x-(115)=0
We add all the numbers together, and all the variables
2x+x/2-115=0
We multiply all the terms by the denominator
2x*2+x-115*2=0
We add all the numbers together, and all the variables
x+2x*2-230=0
Wy multiply elements
x+4x-230=0
We add all the numbers together, and all the variables
5x-230=0
We move all terms containing x to the left, all other terms to the right
5x=230
x=230/5
x=46
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