Question

Solve the system using substitution and describe your steps

x = y - 3
2x + y = 12

Answer 1

Answer:

2x + y = 12  = x + y = 6

Step-by-step explanation:

2x + y = 12

divide 2 by 12

x + y = 6  

this os all I really under stand lol sorry!

Answer 2

Answer:

y=6 and x=3

Step-by-step explanation:

y-3= 6-3 gives you x=3

2x=2x3=6+y=6+6=12