Solve if x² - y² = 55, and x - y = 11, then y =?

If x² - y² = 55, and x - y = 11, then y =?
enzoeducation
Asked May 25, 2017
X^2 - y^2 = (x+y) (x-y)
55 = (x+y) (11)
(X+y) = 5

x+y = 5
x-y = 11
2x = 16
x = 8

x+y = 5
8+y = 5
Y = -3
Puneeth
Answered May 25, 2017

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