Question

Which value of p makes 3 + 2(p+4)=21

Answer 1

Answer :P=5
Explanation :
3+2p+8=21 calculate
11+2p=21
2p=21-11 subtract
2p=10 divide
P=5

Answer 2

p=5

Explanation:

3 + 2(p+4)=21

Subtract 3 from each side

3-3 + 2(p+4)=21-3

2(p+4)=18

Divide by 2

2/2(p+4)=18/2

p+4 = 9

Subtract 4 from each side

p+4-4 = 9-4

p=5