CBSE BOARD X, asked by rajeevkumar54110, 2 months ago

.Solve 3x+5y=12 and 5x+3y=4 and hence find the value of K for y=Kx+6​

Answers

Answered by 468754
1

Explanation:

.Solve 3x+5y=12 and 5x+3y=4 and hence find the value of K for y=Kx+6

Attachments:
Answered by juanRicardo
2

Answer:

value of k is 3                   3-6= -k

Explanation:

first we have to find x and y

 

5(3x+5y=12),3(5x+3y=4)  

15x+25y=60 ,15x+9y=12  

( 15x+25y=60)-(15x+9y=12)  

y=3  

now x value,taking equation 1  

3x+5(3)=12  

3x+15=12  

x= -1  

finding value of k...  

y=kx+6  

3=k(-1)+6  

3-6= -k  

3=k  

value of k is 3

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