randomosity54 randomosity54

20-09-2018
Mathematics

contestada

5x+4y-5z=-27
2x-3y+4z=15
9x+2y+6z=-3

Respuesta :

toriking098 toriking098

21-09-2018

Solve for the first variable in one of the equations, then substitute the result into the other equation.

(−1,−3,2)

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