If (2k-1,k) is a solution of the equation 10x-9y=12 then k =

Question

If (2k-1,k) is a solution of the equation 10x-9y=12 then k =

in progress 0
2 weeks 2021-10-07T13:13:16+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-10-07T13:14:32+00:00

    Answer:

    Let X be 2 k -1 and Y be k

    Given

    10x-9y=12

    So

    10(2k-1)-9(k)=12

    20k-20-9k=12

    20k-9k-20=12

    11k-20=12

    11k=12-20

    11k=-8

    k=-8/11

    or

    k=0.7272

    0
    2021-10-07T13:14:38+00:00

    Answer:

    k=2

    Step-by-step explanation:

    11k=22

    k=22/11

    k=2

Leave an answer

Browse
Browse

18:9+8+9*3-7:3-1*13 = ? ( )