using the echelon solve the following systems of two equations in two unknowns 6x-2y=48 5x+3y=-2

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muneepenee · Answer 1 · 2015-04-10T09:20:51+0000

?????????? "echelon" ???????

1....6x-2y=48 or 3x-y=24...become y=3x-24

2....5x+3y=-2

become 5x+3*(3x-24)=-2

5x +9x-72=-2

14x=72-2....=70

x=70/14....x=5

y=3x-24....=15-24=-9

John Marsh · Answer 2 · 2015-04-10T12:12:07+0000

Given 6x-2y=48
5x+3y=-2
[6 -2 48]
[5 3 -2]

Using row echelon
[1,0,5]
[0,1, -9]
x=5
y=-9

Pre Algebra Math Help

Jasmine Jackson · Answer 3 · 2015-11-24T22:01:57+0000

1....6x-2y=48 or 3x-y=24...become y=3x-24

2....5x+3y=-2

become 5x+3*(3x-24)=-2

5x +9x-72=-2

14x=72-2....=70

x=70/14....x=5

y=3x-24....=15-24=-9

using the echelon solve the following systems of two equations in two unknowns 6x-2y=48 5x+3y=-2

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