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Plz help and no guessing
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2 votes
Plz help
and no guessing

Plz help and no guessing-example-1
User Machine
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2 Answers

5 votes
When I multiply the top equation by 5 I get the following system:
-5x + 10y = -20
5x - 10y = 20

Add them together you then get 0 = 0. Since 0 always equals 0 then the system will have infinitely many solutions
User Krohrbaugh
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6.9k points
4 votes
multiply 1st equation by 5
-5x + 10y = -20

now you have
-5x + 10y = -20
5x - 10y = 20
---------------------add
0 + 0 = 0
0 = 0

answer
C. the system has infinitely many solutions
User Kent Nguyen
by
7.0k points
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