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20-8x-6=2(7-4x)
We move all terms to the left:
20-8x-6-(2(7-4x))=0
We add all the numbers together, and all the variables
-8x-(2(-4x+7))+20-6=0
We add all the numbers together, and all the variables
-8x-(2(-4x+7))+14=0
We calculate terms in parentheses: -(2(-4x+7)), so:We get rid of parentheses
2(-4x+7)
We multiply parentheses
-8x+14
Back to the equation:
-(-8x+14)
-8x+8x-14+14=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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