SOLUTION: 3x-2y=15 x+y=1

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: 3x-2y=15 x+y=1      Log On


   



Question 357672: 3x-2y=15
x+y=1

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
3x-2y=15
x+y=1(multiply by 2)
2x+2y=2
add it to first equation
3x+2x=15+2
5x=17
x=17/5
..
plug vale of x in equation
x+y =1
17/5 +y=1
y=1-17/5
y=-12/5
..
m.ananth@hotmail.ca