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2014-07-18 21:46:53 +0100 asked a question 4x+6/y=15,6x-8/y=14 : y is not equal to zero Find p, if y=px-2

4x+6/y=15,6x-8/y=14 : y is not equal to zero

Find p, if y=px-2

2014-07-18 21:35:35 +0100 asked a question Please help!

11x+15y+23=0, 7x-2y-20=0 I tried,

11x+15y+23=0------1 7x-2y-20=0-----------2

11x+15y=-23 =>y=-23x-11x/15 (substituting the value of y in eq 2)

11x+15(-23x-11x/15)=20

2014-07-18 21:22:39 +0100 asked a question Can you please help me sove this? 2x-3y=1.3, y-x=0.5

Can you please help me sove this?

2x-3y=1.3, y-x=0.5

2014-07-17 22:18:52 +0100 asked a question Simultaneous Linear Equations Help

If (5,k) is a solution of the equation 2x+y-7=0, find the value of k.

There is no k in the equation. I am not understanding where k came from. Please help me understand.