SOLUTION: x-y=4 y=2-5x

Algebra ->  Expressions-with-variables -> SOLUTION: x-y=4 y=2-5x      Log On


   

Question 129705: x-y=4
y=2-5x
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
y=2-5x now substitute (2-5x) for y in the other equation
x-(2-5x)=4
x-2+5x=4
6x=4+2
6x=6
x=6/6
x=1 answer.
y=2-5*1
y=2-5
y=-3 answer.