SOLUTION: . Solve by substitution or elimination method: -4x + 3y = 5 12x - 9y = -15

Algebra.Com
Question 164199: . Solve by substitution or elimination method:
-4x + 3y = 5
12x - 9y = -15

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
1.
2.
Multiply eq. 1 by 3 and add to eq. 2,



That's true.
Eq. 1 and 2 are dependent.
They are the same equation and have infintely many solutions.

RELATED QUESTIONS

Solve by substitution or elimination method: 3x - 2y = 8... (answered by jim_thompson5910,Electrified_Levi)
Can I please get some help solving these Solve by substitution or elimination method: (answered by jim_thompson5910)
Solve by substitution or elimination method: 1. 3x - 2y = 8 -12x + 88 = 32 2. 7x -... (answered by jim_thompson5910)
Can someone please help me with these. 2. Solve by substitution or elimination method: (answered by Alan3354)
1.Solve by substitution or elimination method: 3x – 2y = 26 -7x + 3y = -49... (answered by Edwin McCravy)
solve by substitution method 4x-3y=2 12x=6+9y thanks very much for your... (answered by xcentaur)
Think i did them right but 2 & 3 are I get no solution and want to make sure I am not... (answered by jim_thompson5910)
solve each equation by using the substitution method and the elimination method 2x+3y=0 (answered by Fombitz)
Solve by substitution or elimination method: 4x-5y=14... (answered by Fombitz)