-129=-3(7-6p)

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Solution for -129=-3(7-6p) equation:



-129=-3(7-6p)
We move all terms to the left:
-129-(-3(7-6p))=0
We add all the numbers together, and all the variables
-(-3(-6p+7))-129=0
We calculate terms in parentheses: -(-3(-6p+7)), so:
-3(-6p+7)
We multiply parentheses
18p-21
Back to the equation:
-(18p-21)
We get rid of parentheses
-18p+21-129=0
We add all the numbers together, and all the variables
-18p-108=0
We move all terms containing p to the left, all other terms to the right
-18p=108
p=108/-18
p=-6

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