AMINAHP213 AMINAHP213

21-03-2018
Mathematics

contestada

Solve -3x + 2y + z = -6
x + 3y + 2z = 5
4x + 4y + 3z = 13

(-6, 5, 13)

(0, -3, 0)

(1, -2, -1)

(3, 4, -5)

Respuesta :

MrGumby MrGumby

21-03-2018

(3, 4, -5)

You can solve these by plugging in to see which fits all 3 equations. You can also use elimination using two equations twice and getting 2, 2-variable equations which you can then solve for the first variable.

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