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-10x=30-2(7+6x)
We move all terms to the left:
-10x-(30-2(7+6x))=0
We add all the numbers together, and all the variables
-10x-(30-2(6x+7))=0
We calculate terms in parentheses: -(30-2(6x+7)), so:We get rid of parentheses
30-2(6x+7)
determiningTheFunctionDomain -2(6x+7)+30
We multiply parentheses
-12x-14+30
We add all the numbers together, and all the variables
-12x+16
Back to the equation:
-(-12x+16)
-10x+12x-16=0
We add all the numbers together, and all the variables
2x-16=0
We move all terms containing x to the left, all other terms to the right
2x=16
x=16/2
x=8
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