Question

I need help with this is this correct???

Answer 1

The answer is C

Explanation:

3x+15=18

if x = -1

-3 (-1) + 15 = 18

negative times negative makes positive so

3+15=18

Answer 2

NONONO the answer is C

Explanation:

Multiply -3 by -1 gives 3. 3 plus 15 IS equal to 18!