3x-5y=9 when x= -1,0,1

Algebra
Tutor: None Selected Time limit: 1 Day

In my class we are working on Literal Equations and Formulas.

Oct 21st, 2015

Thank you for the opportunity to help you with your question!

So because we are being asked to solve for various values of y when x is equal to something, we need to rearrange the equation:

-5y = 9-3x

y = -(9-3x)/5

So, plug in those three values!

For x=-1, y = -(9-3*-1)/5 = -(9--3)/5 = -12/5

For x=0, y = -(9-3(0))/5 = -9/5

For x=1, y = -(9-3(1))/5 = -6/5

Please let me know if you need any clarification. I'm always happy to answer your questions.
Oct 21st, 2015

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