-216=-6(1-5r)

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Solution for -216=-6(1-5r) equation:



-216=-6(1-5r)
We move all terms to the left:
-216-(-6(1-5r))=0
We add all the numbers together, and all the variables
-(-6(-5r+1))-216=0
We calculate terms in parentheses: -(-6(-5r+1)), so:
-6(-5r+1)
We multiply parentheses
30r-6
Back to the equation:
-(30r-6)
We get rid of parentheses
-30r+6-216=0
We add all the numbers together, and all the variables
-30r-210=0
We move all terms containing r to the left, all other terms to the right
-30r=210
r=210/-30
r=-7

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