Question

If z = 4 solve for 5z

Answer 1

20

Explanation:

Z=4

If a letter is next to a number it means to multiple

So since z=4, replace 5z with 5(4) and you get 20

Answer 2

20

Explanation:

Because 5(4) is the same thing s 5*4, so it is 20.

Hope it helps!