Identify the set of numbers that makes up the domain in the relation {(-2, -2), (0, 2), (2, 4), (3, -6)}.

-6, -2, 2, 4
-6, -2, 0, 2, 3, 4
-2, 0, 3, 4
-2, 0, 2, 3

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?