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2+1x=7/8-15
We move all terms to the left:
2+1x-(7/8-15)=0
We add all the numbers together, and all the variables
x+2-(7/8-15)=0
We get rid of parentheses
x+2+15-7/8=0
We multiply all the terms by the denominator
x*8-7+2*8+15*8=0
We add all the numbers together, and all the variables
x*8+129=0
Wy multiply elements
8x+129=0
We move all terms containing x to the left, all other terms to the right
8x=-129
x=-129/8
x=-16+1/8
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