Posted by Richard on Monday, July 25, 2011 at 9:39pm.
solve by the elimination method:
9x9y=18
7y3x=8
please solve step by step
thank you for your help

math  PsyDAG, Tuesday, July 26, 2011 at 12:20pm
Multiply second equation by 3.
21y9x = 24
Add the two equations.
12y = 42
I hope you can take it from here.