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x+(0.5x)=69
We move all terms to the left:
x+(0.5x)-(69)=0
We add all the numbers together, and all the variables
x+(+0.5x)-69=0
We get rid of parentheses
x+0.5x-69=0
We add all the numbers together, and all the variables
1.5x-69=0
We move all terms containing x to the left, all other terms to the right
1.5x=69
x=69/1.5
x=46
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