27.9k views
5 votes
2. 18x – 3y =21
y=6x - 7

1 Answer

5 votes

Answer:

x,y=(0,-7)

Explanation:

Multiply eq2 by 3:


18x-3y=21\\18x+3y=-21

Subtract:


-6y=42\\y=-7

Substitute:


x=0

Hope this helps :D

User Dekel
by
7.7k points