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Astute
Hey there,

I believe but I'm not quite sure, I believe that the correct answer would be 42 because by subtracting 79-37, that should give you y.

Hope this helps. (forgive any errors.)

~Jurgen
Kaikerscupcake
All the angles of a triangle add up to 180 degrees. 

So, all the angles are equal to 180.

79+37+y= 180

Combine like terms. 

116+y=180

Subtract 116 on both sides. 

y=64

I hope this helps!
~kaikers