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I need to find how many solutions does the system have. ​

I need to find how many solutions does the system have. ​-example-1

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From what I got there is one real solution :)

Rearrange the second equation to give y=2-2x, substitute into the first equation to give you a value for x and then using that you can work out y for the exact coordinates of intersection :)

Also they are both straight line graphs so they will either have one or no solutions

Hope this helped :)
User Stefan Konno
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