Solve the following system by elimination or substitution... can you please help?

S

Shakeeb

New member
3x - 5y - 7z = 4
11x + 3y - 9z = - 3
5x + 4y + 5z = 17
Joe. Thanks you're absolutely write except the answers on the packet are fractions but are the same. But I'm sorry for taking your time but I just need help on how to do it. I got a final exam in 5 hrs and 30 mins exactly! THANKS
absolutely right*
 
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