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30+8x=2(1+6x)
We move all terms to the left:
30+8x-(2(1+6x))=0
We add all the numbers together, and all the variables
8x-(2(6x+1))+30=0
We calculate terms in parentheses: -(2(6x+1)), so:We get rid of parentheses
2(6x+1)
We multiply parentheses
12x+2
Back to the equation:
-(12x+2)
8x-12x-2+30=0
We add all the numbers together, and all the variables
-4x+28=0
We move all terms containing x to the left, all other terms to the right
-4x=-28
x=-28/-4
x=+7
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