-18=6(r-8)+4(1-8r)

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Solution for -18=6(r-8)+4(1-8r) equation:



-18=6(r-8)+4(1-8r)
We move all terms to the left:
-18-(6(r-8)+4(1-8r))=0
We add all the numbers together, and all the variables
-(6(r-8)+4(-8r+1))-18=0
We calculate terms in parentheses: -(6(r-8)+4(-8r+1)), so:
6(r-8)+4(-8r+1)
We multiply parentheses
6r-32r-48+4
We add all the numbers together, and all the variables
-26r-44
Back to the equation:
-(-26r-44)
We get rid of parentheses
26r+44-18=0
We add all the numbers together, and all the variables
26r+26=0
We move all terms containing r to the left, all other terms to the right
26r=-26
r=-26/26
r=-1

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