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(12x+9)/3=3+4x
We move all terms to the left:
(12x+9)/3-(3+4x)=0
We add all the numbers together, and all the variables
(12x+9)/3-(4x+3)=0
We get rid of parentheses
(12x+9)/3-4x-3=0
We multiply all the terms by the denominator
(12x+9)-4x*3-3*3=0
We add all the numbers together, and all the variables
(12x+9)-4x*3-9=0
Wy multiply elements
(12x+9)-12x-9=0
We get rid of parentheses
12x-12x+9-9=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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