SOLUTION: My assignment is solve a sytem of equations by using an augmented matrix and elementry row operations: Here are the 3 problems I am having trouble with. 1. y = 2x + 3 y = 4x

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations -> SOLUTION: My assignment is solve a sytem of equations by using an augmented matrix and elementry row operations: Here are the 3 problems I am having trouble with. 1. y = 2x + 3 y = 4x      Log On

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Question 604959: My assignment is solve a sytem of equations by using an augmented matrix and elementry row operations: Here are the 3 problems I am having trouble with.
1. y = 2x + 3
y = 4x - 1
2. 8x + 2y = 13
4x + y = 11
3. -x + 1/3y = 5
2x + 3y = 1
Answer by lynnlo(4155) About Me  (Show Source):
You can put this solution on YOUR website!
[(2,7)]-1.




{(-y/4,y),Y E R} 2.



[(-4,3)] 3.