A bag contains 7 red marbles, 8 blue marbles and 3 green marbles. If three marbles are drawn out of the bag, what is the exact p
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{ 8, -6 } as you multiply the first equation with 1.25 to get :
then, you use elemination by substraction to get rid of x:
try to solve for y to get y = -6, and then you use either equation 1 or 2 to find the value of x, which in both cases is equal to 8.
then, you use elemination by substraction to get rid of x:
try to solve for y to get y = -6, and then you use either equation 1 or 2 to find the value of x, which in both cases is equal to 8.