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x+2x=-0-3-5
We move all terms to the left:
x+2x-(-0-3-5)=0
We add all the numbers together, and all the variables
x+2x-(-8)=0
We add all the numbers together, and all the variables
3x+8=0
We move all terms containing x to the left, all other terms to the right
3x=-8
x=-8/3
x=-2+2/3
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