SOLUTION: 1/3x - 1/4y + z = -9
1/2x - 1/3y - 1/4z = -6
x - 1/2y - z = -8
I tried multiplying the 1st two by 12 and third by 2 and also tried all three by 12, I think I am mis
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Question 767482: 1/3x - 1/4y + z = -9
1/2x - 1/3y - 1/4z = -6
x - 1/2y - z = -8
I tried multiplying the 1st two by 12 and third by 2 and also tried all three by 12, I think I am missing something when I try to solve it.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
.........eq.1.....multiply by
....eq.2....multiply by
..............eq.3....multiply by
_________________________________________
.........eq.1
....eq.2
..............eq.3
__________________________________________________
.........eq.1
....eq.2
..............eq.3
______________________________________
....eq.2
..............eq.3....multiply by
______________________________________
....eq.2
..............eq.3......subtract eq.3 from eq.2
_______________________________
.....solve for
.....plug in eq.1
.........eq.1
......solve for
.........go to eq.3 and plug in and
..............eq.3.
....solve for
...all terms multiply by
..........now we can find and
=> =>=>
=>=>=>
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