89.6k views
1 vote
What is the first step in solving, 3x - 12y=5 3y -x=9, using the elimination method

User Khue Vu
by
5.5k points

1 Answer

3 votes
3x-12y = 5
-x+3y = 9

First step is to make the coefficient of either x or y same.

3x-12y = 5
(-x+3y = 9)3

3x-12y = 5
-3x+9y = 27

-4y = 32
y = -8
User Arinjit
by
5.6k points