Verified Answer :

HomertheGenius

y = 3 x
(-3, y ) ,   x = -3
y = 3 · ( -3 )
y = - 9 
Thank you.

isyllus

Answer:

The value of y=-9

Step-by-step explanation:

If (-3, y) lies on the graph of y = 3x

If any point satisfy the equation or graph. We get true for that point.

Now, we substitute the point into equation and left side is equivalent to right side.

Put x=-3 and to solve for y

y=3(-3)

y=-9

If x=-3 then y=-9

Hence, The value of y=-9

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