For this case we have the following expression:

We apply distributive property, which by definition establishes that:

So:

Answer:

Answer:
1
Step-by-step explanation:
5/5=1
Let x be white marbles, y be yellow marbles
x+y=54…(1)
x=3y - 6 …(2)
put (2) into (1)
(3y - 6) + y = 54
4y = 60
y=15
put y=15 into (1)
x + 15=54
x=39
so y=15 x=39