Question

What is the value of 6x-3y if x=5 and y=-1?

Answer 1

33

Explanation:

6(5) - 3(-1)

= 30 --3

= 30 +3

= 33

Answer 2

Well, let's plug the numbers in.
6 x 5 - 3 x -1.

6 x 5 = 30
3 x -1= -3

Now subtract 30 and -3.
30 - (-3) = 33.
(Two negatives make positive)

Hope this helped :)