x-y=0 x^2 + y^2= 18 where do I start
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From the first equation . Plug x in the second and solve for y. Then find x.
I understand that bit and the answer is ovbious but I'm unsure of how to get 3 and show how I did from x and y.
Originally Posted by lra11 I understand that bit and the answer is ovbious but I'm unsure of how to get 3 and show how I did from x and y. Solve the top equation for y: Insert this into the second equation: Solve for x. When you are done, put these x values into the y = x equation to get your y values. -Dan
thanks I've got it.I was having a bit of a stupid moment. thanks for the help
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