Please don't switch names, it would not result in a faster reply
I just helped you with a similar question.
Try "translating" the English sentence into an math equation, similar to what I did in the other question.
Let me know what you get.
the measures of the2nd angle of a triangle is 20degree more than the complements of the first triangle and the 3rd angle is 4 degree less than half the supplement of the 1st.find the measure of each angle
2 answers
160°