Question

When the quantity of the sum of 5 times a number and 7 is decreased by 1, the result is 1 more than 6 times the number. What is the equation that models the verbal description, and what is the number?

A. 5n + 7 – 1 = 6n + 1; n = 5
B. 5n(7 + 1) = 6n + 1; n = 7
C. 7(5n – 1) = 6n – 1; n = 5
D. 5n + 7 – 1 = 6n + 1; n = 31

Answer 1

The one above me is right

Explanation:

A. 5n + 7 - 1 = 6n + 1; n = 5

Answer 2

A. 5n + 7 - 1 = 6n + 1. n = 5