Question

Which expression is equivalent to (7x - 5)-(3x - 2)?

A. 10x - 7.
B. 10x - 3
C. 4x - 7
D. 4x - 3

Answer 1

(7x - 5)-(3x - 2)

Pretend that there is a -1 in front of the second bracket

(7x-5)-1(3x-2)

Multiply the second bracket by -1

7x-5-3x+2

7x-3x-5+2

4x-3

Answer: D. 4x - 3

Answer 2

option D

Explanation:

(7x - 5)-(3x - 2)

7x-5-3x+2

4x-3