Question

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)}

Answer 1

Answer:

b is the right option

explanation.

because we have given x + y is equals to 6 so I find 6 in the the b option