Question

The sum of 2 times a number and 5 is equal to 7

Answer 1

n = 1

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