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3 years ago

14

Really need help with this problem. Picture included

1 answer:

Len [333]3 years ago

8 0

The two angle measures are equal (which is the point of an angle bisector), so you have
y + 30 = 3y - 50
30 = 2y - 50 . . . . . . . . subtract y
80 = 2y . . . . . . . . . . . . add 50
40 = y . . . . . . . . . . . . . .divide by the coefficient of y

The value of y is 40.

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