Given: x + y = 6.

If x {-15, - 6, - 1}, then which of the following sets of ordered pairs are solutions?

{ (-15, - 21), (-6, - 12), (-1, - 7) }

{ (-15, 21), (-6, 12), (-1, 7) }

{ (-15, 21), (-6, 12), (-1, - 7) }

X + y = 6

when x = - 15

-15 + y = 6

y = 6 + 15

y = 21 ... solution is (-15,21)

when x = - 6

-6 + y = 6

y = 6 + 6

y = 12 ... solution (-6,12)

when x = - 1

-1 + y = 6

y = 6 + 1

y = 7 ... solution is (-1,7)

so ur answer is : (-15,21), (-6,12), (-1,7)