Asked by Jack

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


Please explain your answer to the best of your abilities thanks :)
Answered by Jen
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.
Answered by drwls
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 solutions. There is no x for which the y values are the same

Jen's answer is equally valid
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