First we need to combine like terms:
-18 + 15x = 12x - 18 + 3x
-18 + 15x = 9x - 18
-18 = 9x - 18 - 15x
-18 = -6x - 18
0 = -6x (the 18's cancel)
0 / -6 = x
0 = x
It depends on what x is. For example, if x=4 then the difference between 15 and x would be 11.
Hope this helps!
Desculpe-me eu não sei mas irei falar com meu professor!
B
3 pairs of pants = one of 3 playing cards
chances of picking jeans = 1/3
chances of picking playing card = 1/3
