Question

The difference of a number and 20 is equal to the product of the same number and 6 increased by 15.

n - 20 = 6n + 15

Answer 1

Answer: The number, x, is -7

Explanation:

"The difference of a number and 20" = x - 20

"is equal to the product of the same number and 6" = 6y

"increased by 15." = + 16

Now put these together:

(x - 20) = 6x + 15

Solve:

-5x = 35

x = -7

===

Check:

(-7 - 20) = 6(-7) + 15

-27 = -42 + 15

-27 = -27 Correct