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4(x+2)-4x=2(4x+9)
We move all terms to the left:
4(x+2)-4x-(2(4x+9))=0
We add all the numbers together, and all the variables
-4x+4(x+2)-(2(4x+9))=0
We multiply parentheses
-4x+4x-(2(4x+9))+8=0
We calculate terms in parentheses: -(2(4x+9)), so:We add all the numbers together, and all the variables
2(4x+9)
We multiply parentheses
8x+18
Back to the equation:
-(8x+18)
-(8x+18)+8=0
We get rid of parentheses
-8x-18+8=0
We add all the numbers together, and all the variables
-8x-10=0
We move all terms containing x to the left, all other terms to the right
-8x=10
x=10/-8
x=-1+1/4
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