SOLUTION: Angles X and Y are complementary. If mX = a � 12 and mY = a + 8, find the measure of mX. Please help me, I am doing pre-algebra and my teacher is very strict. This is yesterday's "

Question 485197: Angles X and Y are complementary. If mX = a � 12 and mY = a + 8, find the measure of mX. Please help me, I am doing pre-algebra and my teacher is very strict. This is yesterday's "problem of the day" and almost everybody got it.
Is the answer 70? Please respond with haste.
Thanks
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
(a-12)+(a+8)=90
2a-4=90
2a= 94
a=47
m X = a-12==> 47-12= 35
mY= a+8==> 47+8=55

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