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A is the point with coordinates (x, 2y).
B is the point with coordinates (3x, 4y).
The midpoint of AB has coordinates (-4, 15).
Work out the values of x and y.​

A is the point with coordinates x 2yB is the point with coordinates 3x 4yThe midpoint of AB has coordinates 4 15Work out the values of x and y class=

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ferrybukantoro

Answer:

x= -2 , y=5

Step-by-step explanation:

(x+3x)/2 = -4

4x/2 = -4

4x= -8

x = -2

(2y+4y)/2=15

6y/2=15

6y=30

y=5

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