SOLUTION: Solve, if consistent , the following system of equations x+2y+3z= 5 x+3y+6z=11 x+4y+10z= 21 Sir I want to solve it by elementary row operation

Algebra ->  Linear-equations -> SOLUTION: Solve, if consistent , the following system of equations x+2y+3z= 5 x+3y+6z=11 x+4y+10z= 21 Sir I want to solve it by elementary row operation       Log On


   

Question 1048854: Solve, if consistent , the following system of equations
x+2y+3z= 5
x+3y+6z=11
x+4y+10z= 21
Sir I want to solve it by elementary row operation

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!

1	2	3	5	
1	3	6	11	
1	4	10	21	
				
1	2	3	5	
0	1	3	6	-R1+R2 to R2
0	2	7	16	-R1+R3 to R3
				
1	2	3	5	
0	1	3	6	
0	0	1	4	-2R2+R3 to R3
				
1	2	3	5	
0	1	0	-6	-3R3+R2 to R2
0	0	1	4	
				
1	0	3	17	-2R2+R1 to R1
0	1	0	-6	
0	0	1	4	
				
1	0	0	5	-3R3+R1 to R1
0	1	0	-6	
0	0	1	4

John

My calculator said it, I believe it, that settles it