8p-(p-1)=21-3p

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Solution for 8p-(p-1)=21-3p equation:



8p-(p-1)=21-3p
We move all terms to the left:
8p-(p-1)-(21-3p)=0
We add all the numbers together, and all the variables
8p-(p-1)-(-3p+21)=0
We get rid of parentheses
8p-p+3p+1-21=0
We add all the numbers together, and all the variables
10p-20=0
We move all terms containing p to the left, all other terms to the right
10p=20
p=20/10
p=2

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