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denpristay [2]
3 years ago
10

Which system of equations below has exactly one solution?

Mathematics
2 answers:
Dafna11 [192]3 years ago
5 0
Third.
since all other have infinite solutions,
because they are written in a different way. slight arrangements can form other equation.
though, the first system has no solution. as they have same slope (parallel) but different intercepts.
marysya [2.9K]3 years ago
4 0

That is the third choice.

If we add the 2 equations we get

2y = -12 so y = -6

substituting in one of the equations we get x = 0

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