SOLUTION: I have a 4x4 system of equations that I need help solving. 2a+6b-4c+2d=-20 a+3c-4d=9 2a-6b+4c+d=15 3a-6b+c-5d=-8

Algebra ->  Systems-of-equations -> SOLUTION: I have a 4x4 system of equations that I need help solving. 2a+6b-4c+2d=-20 a+3c-4d=9 2a-6b+4c+d=15 3a-6b+c-5d=-8      Log On


   

Question 1027609: I have a 4x4 system of equations that I need help solving.
2a+6b-4c+2d=-20
a+3c-4d=9
2a-6b+4c+d=15
3a-6b+c-5d=-8
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
a= -2
b= 0.333
c= 5
d= 1