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Mathematics 7 Online
OpenStudy (anonymous):

7 = 3x + 2y - z what equations that would help solve these variables.

OpenStudy (richyw):

I'm not sure what you are asking. There are an infinite number of solutions to this. Generally you will need 3 equations to solve for three unknowns.

OpenStudy (anonymous):

what 3 equations would that take

OpenStudy (richyw):

It would take three linearly independent equations that are consistent.

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