A bag contains 4 blue marbles, 5 yellow marbles, and 2 green marbles. What is the probability of selecting a blue or green marbl
1 answer:
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Step-by-step explanation:
y=x+1
y= -½x -8
x+1= -½x -8
1½x= -9
x = -9/ 1½
x = -6
y = -6+1 = -5
the solution (-6, -5)
