Answer :
Answer:
n = 1
Step-by-step explanation:
"The sum of" is addition
"2 times a number" is 2n
"and 5" is + 5
equals 7 is =7
2n + 5 = 7
- 5 - 5
2n = 2
2n/2 = 2/2
n = 1
Answer:
n = 1
Step-by-step explanation:
"The sum of" is addition
"2 times a number" is 2n
"and 5" is + 5
equals 7 is =7
2n + 5 = 7
- 5 - 5
2n = 2
2n/2 = 2/2
n = 1