ashiteru123
06.05.2020 •
Mathematics
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
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Ответ:
The amount of sales is 7500$