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Colt1911 [192]
3 years ago
14

How many solutions does the following system have? 3x+2y=1 -9x-6y=3

Mathematics
2 answers:
Rudik [331]3 years ago
6 0
3x + 2y = 1...multiply by 3
-9x - 6y = 3
--------------
9x + 6y = 3 (result of multiplying by 3)
-9x - 6y = 3
-------------add
0 = 6 (incorrect)

no solution...these r parallel lines that never intersect

guajiro [1.7K]3 years ago
3 0
Divide second equation by -3
3x+2y=1
other equatin is
3x+2y=1
since same equation, they are same line and lines are infinite so infinite solutions is answe
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