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x+(x/2)=99
We move all terms to the left:
x+(x/2)-(99)=0
We add all the numbers together, and all the variables
x+(+x/2)-99=0
We get rid of parentheses
x+x/2-99=0
We multiply all the terms by the denominator
x*2+x-99*2=0
We add all the numbers together, and all the variables
x+x*2-198=0
Wy multiply elements
x+2x-198=0
We add all the numbers together, and all the variables
3x-198=0
We move all terms containing x to the left, all other terms to the right
3x=198
x=198/3
x=66
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