Welcome :: Homework Help and Answers :: Mathskey.com

Recent Visits

  
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,459 questions

17,854 answers

1,446 comments

790,612 users

how to solve this using elimination method?

0 votes

2x-3y+3
3x+3y=18

asked Apr 24, 2013 in ALGEBRA 1 by anonymous Apprentice

1 Answer

0 votes

2x-3y=-3  ---------- (1)
3x+3y=18 ----------- ( 2)

Add equations to eliminate the variable y.

2x-3y=-3 
3x+3y=18

-------------

5x = 15

 

divide each side by 5

x = 3

Substitute x = 3 in 3x+3y=18

3 * 3 + 3y = 18

3y = 9

y = 3

 

(x, y) = (3, 3)

answered Apr 24, 2013 by Naren Answers Apprentice

Related questions

...