Question

Solve this system of equations using substitution. Put your answer in ordered pair form, (x, y).
x + y = 10
y = x + 8

Answer 1

need help please

Answer 2

x+x+8=10
2x=-2
x=-1
substitute for y

Answer 3

(1, 9)

Answer 4

y=-1+8
y=7
(-1,7)