-8-2r=7r-4(2+6r)

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Solution for -8-2r=7r-4(2+6r) equation:



-8-2r=7r-4(2+6r)
We move all terms to the left:
-8-2r-(7r-4(2+6r))=0
We add all the numbers together, and all the variables
-2r-(7r-4(6r+2))-8=0
We calculate terms in parentheses: -(7r-4(6r+2)), so:
7r-4(6r+2)
We multiply parentheses
7r-24r-8
We add all the numbers together, and all the variables
-17r-8
Back to the equation:
-(-17r-8)
We get rid of parentheses
-2r+17r+8-8=0
We add all the numbers together, and all the variables
15r=0
r=0/15
r=0

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