Mathematics, 06.05.2020 04:30, oktacos

PLEASE I NEED HELP

Solve the system of equations.

–5x – 12y – 43z = –136

–4x – 14y – 52z = –146

21x + 72y + 267z = 756

Question options:

x = 6, y = 9, z = –6

x = 1, y = 3, z = 4

infinite solutions

no solution

Answers: 3

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PLEASE I NEED HELP

Solve the system of equations.

–5x – 12y – 43z = –136