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-(x+9)=-13+2(4x-7)
We move all terms to the left:
-(x+9)-(-13+2(4x-7))=0
We get rid of parentheses
-x-(-13+2(4x-7))-9=0
We calculate terms in parentheses: -(-13+2(4x-7)), so:We add all the numbers together, and all the variables
-13+2(4x-7)
determiningTheFunctionDomain 2(4x-7)-13
We multiply parentheses
8x-14-13
We add all the numbers together, and all the variables
8x-27
Back to the equation:
-(8x-27)
-1x-(8x-27)-9=0
We get rid of parentheses
-1x-8x+27-9=0
We add all the numbers together, and all the variables
-9x+18=0
We move all terms containing x to the left, all other terms to the right
-9x=-18
x=-18/-9
x=+2
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