SOLUTION: x=2-y 2y+x=9

Algebra.Com
Question 177089: x=2-y
2y+x=9

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Start with the second equation.


Plug in . In other words, replace each "x" with 2-y.


Combine like terms on the left side.


Subtract from both sides.


Combine like terms on the right side.


----------------------

Go back to the first equation


Plug in


Subtract


=========================================

Answer:


So the solutions are and which form the ordered pair (-5,7)

RELATED QUESTIONS

x+2y=9;(17,y) (answered by rfer)
x=2y... (answered by tutorcecilia)
x=2y... (answered by edjones)
x=2y... (answered by rfer)
x=2y... (answered by Maths68)
X=2y... (answered by jim_thompson5910)
Y'+x^2y=x^2 (answered by Fombitz)
2^x*4^-y=2:3^-x*9^2y=3 (answered by ewatrrr)
what is... (answered by rfer,stanbon)