We can input the values of x and y from each ordered pair and see if the equation is satisfied.
7(-6) - 5(-14) = 28
28 = 28
7(-1) - 5(-7) = 28
28 = 28
7(4) - 5(10) = 28
-22 ≠ 28
7(7) - 5(9) = 28
4 ≠ 28
The ordered pairs:
(-6 , -14)
(-1 , -7)
are solutions
