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5x-3x-x=11+2+15
We move all terms to the left:
5x-3x-x-(11+2+15)=0
We add all the numbers together, and all the variables
5x-3x-x-28=0
We add all the numbers together, and all the variables
x-28=0
We move all terms containing x to the left, all other terms to the right
x=28
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