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4x+7=2(x+3)+1
We move all terms to the left:
4x+7-(2(x+3)+1)=0
We calculate terms in parentheses: -(2(x+3)+1), so:We get rid of parentheses
2(x+3)+1
We multiply parentheses
2x+6+1
We add all the numbers together, and all the variables
2x+7
Back to the equation:
-(2x+7)
4x-2x-7+7=0
We add all the numbers together, and all the variables
2x=0
x=0/2
x=0
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