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2x-3=7x+121/2
We move all terms to the left:
2x-3-(7x+121/2)=0
We add all the numbers together, and all the variables
2x-(+7x+121/2)-3=0
We get rid of parentheses
2x-7x-3-121/2=0
We multiply all the terms by the denominator
2x*2-7x*2-121-3*2=0
We add all the numbers together, and all the variables
2x*2-7x*2-127=0
Wy multiply elements
4x-14x-127=0
We add all the numbers together, and all the variables
-10x-127=0
We move all terms containing x to the left, all other terms to the right
-10x=127
x=127/-10
x=-12+7/10
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