Question

solve for k the system kx-5y=8 7x+5y=10 is consistent.

Answer 1

kx - 5y = 8
7x + 5y = 10
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Try adding the equations together and see what you get

Answer 2

mark_o, please do not give the answer to the asker, but help them receive the answer by themselves as stated in the Code of Conduct.

Answer 3

ah ok i thought you are talking to me sorry chandhooguy

Answer 4

That's ok

Answer 5

bec, i myself cant figure what k is,,lol

Answer 6

;) I can help. Would you like me to?

Answer 7

yes, plz do it for us

Answer 8

kx - 5y = 8
7x + 5y = 10
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If I add both equations to each other, I get...
kx + 7x = 18
Which can be simplified to...
(k + 7)x = 18
Helpful?

Answer 9

a lot better now ,so k will be a function of x right?

Answer 10

Yes

Answer 11

ok you got it....it very clear now thnx for your help..lol

Answer 12

No prob!