7p-21+9=5-10-3p

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Solution for 7p-21+9=5-10-3p equation: 



7p-21+9=5-10-3p

We move all terms to the left:

7p-21+9-(5-10-3p)=0

We add all the numbers together, and all the variables

7p-(-3p-5)-21+9=0

We add all the numbers together, and all the variables

7p-(-3p-5)-12=0

We get rid of parentheses

7p+3p+5-12=0

We add all the numbers together, and all the variables

10p-7=0

We move all terms containing p to the left, all other terms to the right

10p=7

p=7/10

p=7/10

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