+0  
 
0
46
1
avatar+14 

Solve the system of equations:

3a+b+c+d+e+f=43 
a+3b+c+d+e+f=51
a+b+3c+d+e+f=61
a+b+c+3d+e+f=32
a+b+c+d+3e+f=81
a+b+c+d+e+3f=52

 Aug 28, 2020
 #1
avatar+30926 
+1

Here's a matrix solution:

 Aug 28, 2020

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