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3x-3=5x-4+3(7-x)
We move all terms to the left:
3x-3-(5x-4+3(7-x))=0
We add all the numbers together, and all the variables
3x-(5x-4+3(-1x+7))-3=0
We calculate terms in parentheses: -(5x-4+3(-1x+7)), so:We get rid of parentheses
5x-4+3(-1x+7)
determiningTheFunctionDomain 5x+3(-1x+7)-4
We multiply parentheses
5x-3x+21-4
We add all the numbers together, and all the variables
2x+17
Back to the equation:
-(2x+17)
3x-2x-17-3=0
We add all the numbers together, and all the variables
x-20=0
We move all terms containing x to the left, all other terms to the right
x=20
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