Question

What is the correct evaluation of 3x-x+2,when x is equal to -4?

14

-6

6

-14​

Answer 1

The answer is -6.

Explanation:

You have to substitute x = -4 into the expressions :

3x - x + 2

= 3(-4) - (-4) + 2

= -12 + 4 + 2

= -6