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OpenStudy (anonymous):
use crammers rule to solve for x, y and z in: x - 5y + 3z = 15 2x + 4y +7z = 34 x - y = 15 + 2z
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OpenStudy (anonymous):
wait
OpenStudy (anonymous):
This is just a bunch of determinant calculations, follow the procedure here http://en.wikipedia.org/wiki/Cramer%27s_rule (Section-Explicit formulas for small systems)
OpenStudy (anonymous):
please help solve still. thanks a lot.
OpenStudy (anonymous):
What are u having trouble with?
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