Question

Which of the following equations have exactly one solution?

1. 52x+52=52x−78
2. 58x+52=−78x−78
3. −78x+52=−52x−78
4. 58x+52=78x−78

Answer 1

2, 3, 4 all have one solution.

Explanation:

The first one has no solution.

The second one has a solution of -65/68.

The third one has a solution of 5.

The fourth one has a solution of 13/2.

Hope this helps!!

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