Question

Simplify (3x + 5) + (2x - 9) - (4x+3).

A.) X-7
B.) -X-7
C.) 9x1
D) 9x1

Answer 1

(3x + 5) + (2x - 9) - (4x+3)

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

-1(4x+3)

= -4x-3

3x+5+2x-9-4x-3

3x+2x-4x+5-9-3 ( rearranging)

5x-4x-4-3

x-7

Answer: A.) X-7

Answer 2

x -7

Explanation:

(3x + 5) + (2x - 9) - (4x+3)

3x + 5 + 2x - 9 -4x -3

x -7