20-12-2018
Mathematics

contestada

15pts!
Without graphing, determine whether the system x - 3y = 11 and 2x - 6y = -5

has one solution, no solution, or infinitely many solutions.

Respuesta :

21-12-2018

x=11+3y. so 2x-6y=-5 <=>2x(11+3y)-6y=-5
<=>22+6y-6y=-5 <=> 22=-5 (nonsense)
no solution

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