3 years ago

They give me this in 7th grade

Mathematics

1 answer:

insens350 [35]3 years ago

8 0

Answer:

3x - 8 = 2x + 12

(vertical angles)

x = 20

A straight line = 180 degrees,

so 3(20)-8=52

52+128 = 180

so y is 128.

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