Stephanie22111 Stephanie22111

20-03-2018
Mathematics

contestada

5. What is the solution to the system of equations?
{-x + 2y + z = 10
{ z = 6
{3x - 2y + 2z = 8
A: (0, 2, -6)
B: (0, 2, 6)
C: (-1, 2, 6)
D: (0, -2, 6)

Respuesta :

MrGumby MrGumby

20-03-2018

B.

This can be done by plugging 6 in for z in the first and third equations. After doing so, you can solve for either of the other two variables and get an answer based on the substitution method.

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