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How do you know when there are no solutions to a system of equations? How do you know there are infinity many solutions to a system of equations? How do you know when there is one solution to system of
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How do you know when there are no solutions to a system of equations?

How do you know there are infinity many solutions to a system of equations?

How do you know when there is one solution to system of equations?

User Cindyann
by
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1 Answer

5 votes
No solution
========
The lines are parallel
eg
y = 2x + 3; y = 2x + 5

Infinite solutions
============
When one equation reduces to the second one.
2y = 10x + 6
y = 5x + 3 When you divide the first one by 2, you get the second one.
User Bob Moore
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