Find an expression

robban96

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Oct 27, 2014
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I have been working with this problem for a while now and gotten nowhere. I'am going to use it for my astronomical project.

Equation one: c-b = b-a
Equation two: b/a = 3^(x-z)
Equation three: c/a = 3^(x-y)

Find an expression that gives z(x,y)
 
I have been working with this problem for a while now and gotten nowhere. I'am going to use it for my astronomical project.

Equation one: c-b = b-a
Equation two: b/a = 3^(x-z)
Equation three: c/a = 3^(x-y)

Find an expression that gives z(x,y)


What are your thoughts?

Please share your work with us ...

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Equation one: c-b = b-a
Equation two: b/a = 3^(x-z)
Equation three: c/a = 3^(x-y)

Find an expression that gives z(x,y)
Does the last line mean "find z in terms of a, b, x, and y"? Either way, what have you tried so far? Where are you stuck?

Please be complete. Thank you! ;)
 
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