SOLUTION: The following system is solved by substitution. Which expression is substituted for z in the second and third equations?
x + 5y – z = 6
3x – y – 2z = 4
3x – 2y + 3z = 13
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Question 530106: The following system is solved by substitution. Which expression is substituted for z in the second and third equations?
x + 5y – z = 6
3x – y – 2z = 4
3x – 2y + 3z = 13
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The following system is solved by substitution. Which expression is substituted for z in the second and third equations?
x + 5y – z = 6
3x – y – 2z = 4
3x – 2y + 3z = 13
-----------------------
x + 5y – z = 6
-----------
z = x + 5y - 6
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