Raymond B. answered • 02/14/21
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Math, microeconomics or criminal justice
x+y=90
2x=y-60
2x+2y = 180
2x- y =-60
subtract to get
3y = 240
y = 240/3 = 80 degrees
x =90-80 = 10 degrees
Koko H.
asked • 02/12/21Question about algebra
two angles are complementary two times the measure of one angle 60 less than the measure of the other find the measure of each angle?
please solve it by using tow variables x and y and by substitution method
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