1 Answer

Okigan · Answer 1 · 2019-09-15T13:40:03+0000

x+y=77.95
x-y=30.61

x+x+y-y=108.56
2x=108.56 (divide by 2 both sides of the equation)

x=54.2

y=77.95-x=77.95-54.2=23.67

y=23.67

answer: they are 54.2 and 23.67

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