If k=2k-1 and y=k is the solution of the equation 3x-5y-7=0 then find the value of k
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Answered by
5
3(2k-1)-5k-7=0
6k-3-5k-7=0
6k-5k-7=0
1k-10=0
k=10
6k-3-5k-7=0
6k-5k-7=0
1k-10=0
k=10
Answered by
1
3x-5y-7=0
3x-5k-7=0
3x-5(2k-1)-7=0
3x-10k-5-7=0
3x-10k-12=0
3 (2)-10k-12=0
6-10k-12=0
10k-4=0
10k=4
10/4 =k
k=5/2
3x-5k-7=0
3x-5(2k-1)-7=0
3x-10k-5-7=0
3x-10k-12=0
3 (2)-10k-12=0
6-10k-12=0
10k-4=0
10k=4
10/4 =k
k=5/2
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