Which equation is true when n = 5?

A 9 - n = 13

B 12 = 3

C 2n = 7

D) n + 4 = 9

Question

Mathematics

Cynthia Day

14 April, 20:31

Which equation is true when n = 5?

A 9 - n = 13

B 12 = 3

C 2n = 7

D) n + 4 = 9

+4

Answers (2)

Know the Answer?

Coleman · Answer 1

D) n + 4 = 9

Step-by-step explanation:

A. 9-n=13

= - n = 13-9

-n = 13-9 = - n = 4

= n = - 4

Choice A is incorrect

C. 2n = 7

2n/2=7/2

n = 3.5

Choice C is incorrect

D. n + 4=9

n = 9-4

n = 5

Choice D is correct

Isabella Rowland · Answer 2

D you put in 5 in place of where the n is

Which equation is true when n = 5?A 9 - n = 13B 12 = 3C 2n = 7D) n + 4 = 9

Which equation is true when n = 5?

A 9 - n = 13

B 12 = 3

C 2n = 7

D) n + 4 = 9