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2x-7+5x=6+3x+3
We move all terms to the left:
2x-7+5x-(6+3x+3)=0
We add all the numbers together, and all the variables
2x+5x-(3x+9)-7=0
We add all the numbers together, and all the variables
7x-(3x+9)-7=0
We get rid of parentheses
7x-3x-9-7=0
We add all the numbers together, and all the variables
4x-16=0
We move all terms containing x to the left, all other terms to the right
4x=16
x=16/4
x=4
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