Question

Select the choice that translates the following verbal phrase correctly to algebra:

the difference of m and 7 increased by 15

Options:

m − (7 + 15)


7m + 15


(m − 7) + 15


m − 7 ÷ 15

Answer 1

(m - 7) + 15

Explanation:

A difference is the result of a subtraction, so the difference of m and 7 is

m - 7

An increase is obtained by addition, so to increase the difference by 15, add 15 to the difference.

(m - 7) + 15