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OpenStudy (anonymous):
If you were to use the substitution method to solve the following system, choose the new system of equations that would result if z was isolated in the first equation. 2x - 5y + z = 15 4x - y + 3z = 15 3x - 2y + 2z = 13
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OpenStudy (anonymous):
I would set first equation in terms of z
OpenStudy (anonymous):
So, just turn it into z = blahblah, and then substitute in what Z equals out to?
OpenStudy (anonymous):
z=5y-2x+15 plug in that whereever you see z
OpenStudy (anonymous):
Thought so. Thanks!
hero (hero):
peyton, I posted a solution
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