SOLUTION: y=-x-9 5x4y=18 How do I solve the sytem of equation using the subsitution method? Please show the work!

Algebra ->  Expressions-with-variables -> SOLUTION: y=-x-9 5x4y=18 How do I solve the sytem of equation using the subsitution method? Please show the work!      Log On


   



Question 470112: y=-x-9
5x4y=18
How do I solve the sytem of equation using the subsitution method? Please show the work!

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Since y = x-9, sub for y in the other equation.
The 2nd equation is not clear, tho. If you want free help, we want better typing.