(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

It's been a while since I solved these kind of things. I can only remember how to solve 2 simultaneous equations

40x + 40y = 10

-40y -40z = -2

40x - 40z = 8

2. Relevant equations

None

3. The attempt at a solution

Just need a pointer on what method to use.

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# Homework Help: Simultaneous equations

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