SOLUTION: For the following system, if you isolated x in the first equation to use the Substitution Method, what expression would you substitute into the second equation? −x + 2y =

Algebra ->  Linear-equations -> SOLUTION: For the following system, if you isolated x in the first equation to use the Substitution Method, what expression would you substitute into the second equation? −x + 2y =       Log On


   

Question 741771: For the following system, if you isolated x in the first equation to use the Substitution Method, what expression would you substitute into the second equation?
−x + 2y = 9
4x + 5y = 9
Found 2 solutions by lynnlo, richwmiller:
Answer by lynnlo(4176) About Me  (Show Source):
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
add x
subtract 9
2y-9