When all the variables cancel out in an equation, how do you know if there are no solutions or infinite solutions?

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asked Dec 22, 2019 107k views

1 Answer

KarthikPrabhu Alagu · Answer 1 · 2019-12-26T17:39:11+0000

If a number equals the same number, there are infinite solutions
Example: 5=5, which is true, so there are infinite solutions
If a number equals a different number, there are no solutions
Example: 5=2, which isn’t true

When all the variables cancel out in an equation, how do you know if there are no solutions or infinite solutions?

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