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