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Mathematics 21 Online
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

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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