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3x+4-7x=12-15x+11x-8
We move all terms to the left:
3x+4-7x-(12-15x+11x-8)=0
We add all the numbers together, and all the variables
3x-7x-(-4x+4)+4=0
We add all the numbers together, and all the variables
-4x-(-4x+4)+4=0
We get rid of parentheses
-4x+4x-4+4=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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