3 years ago

If y is proportional to x and y = -15 when x = -20, what is the value of x when y = 12?

1 answer:

Alex3 years ago

7 0

When y=-15, x=-20. So subtract x from y, you will get that y= 0 and x=-5. Add 12 to both and you have your answer, x=7 and y=12

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