171k views
4 votes
Substitute method 9x -2y =3 3x -6 = y

2 Answers

7 votes
Answer:(-3 , -15)
X= -3 and Y= -15
User Basil Bourque
by
6.8k points
1 vote

9x -2y = 3

3x -6 = y

Substitute y

9x -2(3x - 6) = 3

Distribute

9x -6x + 12 = 3

3x + 12 = 3

3x = -9

x = -3

Plug in x

3(-3) - 6 = y

-9 - 6 = y

y = -15

Answer:

x = -3

y = -15

User Gabe Spradlin
by
5.8k points