Complementary Angles sum to 90°. So we have:
m∠A + m∠B = 90º
m∠A + 3x - 2 = 90º
m∠A = -3x + 92º
With the information given, that's as much as we can say about angle A.
Philip P.
tutor
I subtracted 3x from both sides of the equation, then added 2 to both sides so i could solve for angle A.
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12/14/20
Melanie M.
How did you get the -3?12/14/20