Sunday, October 1, 2017

Solve the system of linear equations and check any solutions algebraically.


       (equation 1)
(equation 2)
(equation 3)
(equation 4)
Add 1/3 × (equation 1) to equation 2: (equation 1)
(equation 2)
(equation 3)
(equation 4)Multiply equation...

       (equation 1)
(equation 2)
(equation 3)
(equation 4)
Add 1/3 × (equation 1) to equation 2:
(equation 1)
(equation 2)
(equation 3)
(equation 4)
Multiply equation 2 by 3:
(equation 1)
(equation 2)
(equation 3)
(equation 4)
Add 2/3 × (equation 1) to equation 3:
(equation 1)
(equation 2)
(equation 3)
(equation 4)
Multiply equation 3 by 3:
(equation 1)
(equation 2)
(equation 3)
(equation 4)
Swap equation 2 with equation 3:
(equation 1)
(equation 2)
(equation 3)
(equation 4)
Subtract 1/2 × (equation 2) from equation 3:
(equation 1)
(equation 2)
(equation 3)
(equation 4)
Multiply equation 3 by 2/3:
(equation 1)
(equation 2)
(equation 3)
(equation 4)
Subtract equation 2 from equation 4:
(equation 1)
(equation 2)
(equation 3)
(equation 4)
Divide equation 4 by 2:
(equation 1)
(equation 2)
(equation 3)
(equation 4)
Swap equation 3 with equation 4:
(equation 1)
(equation 2)
(equation 3)
(equation 4)
Add 1/5 × (equation 3) to equation 4:
(equation 1)
(equation 2)
(equation 3)
(equation 4)
Multiply equation 4 by -5/8:
(equation 1)
(equation 2)
(equation 3)
(equation 4)
Subtract 2 × (equation 4) from equation 3:
(equation 1)
(equation 2)
(equation 3)
(equation 4)
Divide equation 3 by -5:
(equation 1)
(equation 2)
(equation 3)
(equation 4)
Subtract 9 × (equation 3) from equation 2:
(equation 1)
(equation 2)
(equation 3)
(equation 4)
Divide equation 2 by 2:
(equation 1)
(equation 2)
(equation 3)
0 w+0 x+0 y+z = 1 (equation 4)
Subtract equation 2 from equation 1:
(equation 1)
(equation 2)
(equation 3)
(equation 4)
Divide equation 1 by 3:
(equation 1)
(equation 2)
(equation 3)
(equation 4)


w = 1
x = 1
y = 1
z = 1

 

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