Question

Solving by substitution- Day 1
solve the following system of equations y=9x-9 y=9

Answer 1

Answer:

(x, y) = (2, 9)

Step-by-step explanation:

y = 9x - 9

y = 9

Substituting the value of y ( second equation) into the first eqaution, we get:

9 = 9x - 9

18 = 9x

x = 2.