Determine if the following system of equations has no solutions, infinitely many solutions or exactly one solution. - 2x + 3y = 7 - 4x + 9y = 27

asked Apr 15, 2021 235k views

4 votes

Determine if the following system of equations has no solutions, infinitely many

solutions or exactly one solution.
- 2x + 3y = 7
- 4x + 9y = 27

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5 votes

-2x+3y=7

X=-2y+3y+-3y=7+3y

-2x=-3y+7

-2x/-2=-3y+7/-2

X=3/2y+-7/2

Y=2/3x+7/3

-4x+9y=27
X=9/4y+-27/4
Y=4/9y+3

Ivan Vazhnov answered Apr 19, 2021

5.5k points

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