Posted by **Jack** on Saturday, September 11, 2010 at 11:01pm.

How many real solutions does the equation x+5=x have?

Please explain your answer to the best of your abilities thanks :)

- Pre CALCULUS -
**Jen**, Sunday, September 12, 2010 at 12:04am
What happens when you subtract x from both sides? It doesn't work. Plug in any number to see why. If x=1, then x+5=6. X always has to equal x and nothing else, so there are no solutions to this.

- Pre CALCULUS -
**drwls**, Sunday, September 12, 2010 at 7:33am
If you plotted y = x +5 and y = x on a graph, you would get two parallel lines that never intersect. There are therefore no slutions. There is no x for which the y values are the same

Jen's answer is equally valid

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