+0  
 
0
67
1
avatar+1347 

Can anyone help here?  I keep trying, but I can't get the right answer.

 

For a certain value of k, the system

3a + 4b = 7

6a + 4b = k + 3a

has infinitely many solutions (a,b).  What is k?

 Apr 24, 2023
 #1
avatar
0

Simplify 6a+4b=k+3a to get 3a+4b=k.

If:

3a+4b=k

and

3a+4b=7

then the two equations must be equal, so k=7.

 Apr 24, 2023

1 Online Users

avatar