115,802 views
1 vote
1 vote
3p + 10 = 2p + 21

a. 15
b. 17
c. 11
d. 21​

User Rodrigo Zurek
by
3.1k points

2 Answers

1 vote
1 vote

Answer:

c.11

Explanation:

3+10=2+21

3+10−10=2+21−10

3=2+11

3−2=2+11−2p

=11

hope this helps

have a nice day

User Kuba Spatny
by
3.7k points
0 votes
0 votes

Answer:

c. 11

Explanation:

3p + 10 = 2p + 21

Subtract 2p from both sides.

3p - 2p + 10 = 2p - 2p + 21

Simplify.

p + 10 = 21

Subtract 10 from both sides.

p + 10 - 10 = 21 - 10

Simplify.

p = 11

Answer: c. 11

User Stephen Curial
by
2.8k points