0
Anonymous
x2 = 9, 3 x 9 = 27, 27 - 4 = 23
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x=y
6
(x, y) = (-3, -3) or (3, 3)
x= z2 - 3
x - y = -3 -y = -x - 3 y = x + 3 y-int. = 3 x-int. = -3