-3(-4+4r)=-2(-8+r)

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Solution for -3(-4+4r)=-2(-8+r) equation:



-3(-4+4r)=-2(-8+r)
We move all terms to the left:
-3(-4+4r)-(-2(-8+r))=0
We add all the numbers together, and all the variables
-3(4r-4)-(-2(r-8))=0
We multiply parentheses
-12r-(-2(r-8))+12=0
We calculate terms in parentheses: -(-2(r-8)), so:
-2(r-8)
We multiply parentheses
-2r+16
Back to the equation:
-(-2r+16)
We get rid of parentheses
-12r+2r-16+12=0
We add all the numbers together, and all the variables
-10r-4=0
We move all terms containing r to the left, all other terms to the right
-10r=4
r=4/-10
r=-2/5

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