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so i'm struggling with a different problem this time. 5p - 9 = 2p + 12. (keep in mind i am an 8th grader in a high school algebra 1 class so i'm pretty clueless)
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13 votes
13 votes
so i'm struggling with a different problem this time. 5p - 9 = 2p + 12. (keep in mind i am an 8th grader in a high school algebra 1 class so i'm pretty clueless)

User Natia
by
2.7k points

2 Answers

9 votes
9 votes
5p - 9 = 2p + 12
5p - 9 - 2p = 12
3p - 9 = 12
3p - 9 + 9 = 12 + 9
3p = 21
3p/3 = 21/3
p = 7
User Kris Gruttemeyer
by
2.5k points
20 votes
20 votes

Solution :

  • 5p - 9 = 2p + 12

  • 5p - 2p = 12 + 9

  • 3p = 21

  • p = 21 ÷ 3

  • p = 7
User Abacus
by
3.3k points
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