SOLUTION: Solve by the elimination method. 2r-7s=-38 7r+2s=79

SOLUTION: Solve by the elimination method. 2r-7s=-38 7r+2s=79

Algebra.Com

Question 346135: Solve by the elimination method.
2r-7s=-38
7r+2s=79
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
Multiply eq. 1 by 7 and eq. 2 by (-2) and add them together.

Then from eq. 1,

RELATED QUESTIONS
solve by elimination method 7r-2s=31... (answered by oberobic)

Solve by the elimination method. 2r-7s=-23... (answered by Alan3354)

Hello, I need help solving this problem, thanks. Solve by elimination method.... (answered by stanbon)

1)solve both by elimination method: 5x+6y=2 10x+12y=4... (answered by solver91311,stanbon)

Solve by elimination method. 2r - 7s = 4; 7r + 2s = 67 Answer is s=2; r=9, but when... (answered by richard1234)

can somebody tell how to figure out how to solve this problum it says to solve by the... (answered by Theo)

2r-75=-5 7r+2s=9 solve with elimination... (answered by checkley77)

Solve by the elimination method. 7r - 4s =24 4r + 7s =88 (answered by Alan3354)

1. Solve by the elimination method 5r-7s=-3 7r+5s=55 (answered by drj)