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15pts! Without graphing, determine whether the system x - 3y = 11 and 2x - 6y = -5 has one solution, no solution, or infinitely many solutions.

15pts! Without graphing, determine whether the system x - 3y = 11 and 2x - 6y = -5 has one solution, no solution, or infinitely many solutions.
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15pts!

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

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

User Mike Seymour
by
7.9k points

1 Answer

6 votes
x=11+3y. so 2x-6y=-5 <=>2x(11+3y)-6y=-5
<=>22+6y-6y=-5 <=> 22=-5 (nonsense)
no solution
User Vishal Ranapariya
by
8.9k points
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