Solve the system using substitution or elimination and describe your steps. Be sure to verify your solution. • x = y  3 2x + y = 12
Mathematics
Dez71703
Question
Solve the system using substitution or elimination and describe your steps. Be sure to verify your solution. • x = y  3 2x + y = 12
1 Answer

1. User Answers choixongdong
x = y  3
2x + y = 12
substitute x = y  3 into 2x + y = 12
2x + y = 12
2(y  3 )+ y = 12
2y  6 + y = 12
3y  6 = 12
3y = 18
y = 6
substitute y = 6 into x = y  3 to find x
x = y  3
x = 6  3
x = 3
answer
x = 3 and y = 6