Recent content by orgekas

Ok. I solved it now I don't any help. Thanks I'll include my working out in my future posts. Thank you.

Yes I do know all that stuff. I was thinking of letting x3 = 10?

Ok sorry for not showing my work. But I didn't have much to show. I know the answer to the first question but not to the second one. I've constructed my equations as following x1 + x2 +x3 + x4 =40 x1 + x2 + x3 = 20 x3 + x3 +X4 = 30 I don't know what to do from there.

Construct a linear system determined by four numbers whose sum is 40, with the first three numbers adding up to 20 and the last three to 30. a) Explain why this system has infinitely many solutions. b) Add another condition on the numbers so that a unique solution can be found and then find...

Find the values of k , if any, for which the following system of equations has i) no solutions, ii) infinitely many solutions and iii) a unique solution. Solve and find the unique solution. (k+1)*(X1) + 3*(X2) - (X3) =22 2*(X1) + K*(X2) + (X3) =14 (X1) + 4*(X2) + (X3) =20