Question

Which ordered pair is a solution of the equation 5x+y=-23?

O (-3,-4)
O (-5,-3)
O (-4,-3)
O (-3,-5)

Answer 1

5x-4+-20+ -3=-23

Explanation:

5x-3= -15 + -4 = 11

5x-5=-25+-3=22

5x-4=-20+-3=-23

5x-3= -15+ -5= -20

Answer 2

5x+y = -23

by substitution

A)
5(-3) + (-4) = -23
-15 - 4 = -23
-19 = -23
Wrong
----------------
B)
5(-5) -3 = -23
-25 - 3 = -23
-28 = -23
Wrong
-----------------
C)
5(-4) - 3 = -23
-20 - 3 = -23
-23 = -23
Right ✅✅✅✅