Question

substitution & addition

5x+y=-3
y=x-9

Answer 1

x = 1

y = -8

Answer 2

thank you

Answer 3

you welcome

Answer 4

5x+y=-3, so y=-5x-3, so to get the value for y we need to make x=0, so y=-5(0)-3 so y=-8 now we do the same to get the value for x, we make y=0 so 0=-5x-3, so 5x=-3 then x=-3/5 correct me if am wrong...