Question

I need help with my math

Answer 1

(1, -3)

1) Solving that system by the Substitution Method, we can write out:

I) x= 1

II) y= x-4

2) Plugging into the 2nd one the first equation:

y = x-4

y = 1 -4

y =-3

Since we already know the quantity of x, we can write out S={(1, -3)}