Relax

Respuesta :

danavincent

Answer: X and Y are supplementary angles. The sum of the supplementary angles is 180.

So, X + Y = 180

180 = 2n+12 + 3n + 18

180 = 5n + 30

5n = 150

n = 30

X = 2n+12

X = 2(30) + 12

X = 72

Y = 3n + 18

Y = 3(30) + 18

Y = 108

Step-by-step explanation:

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