Question

Solve the system of equations by substitution:
y = X – 2
x +y = 12

Answer 1

Explanation:

y = x - 2

x + y = 12

x + x - 2 = 12

2x - 2 = 12

2x = 14

x = 7

y = 7 - 2

y = 5

(7, 5)