SOLUTION: 2x+y=5 3x-y=10 How do I solve this by graphing? I'm 46 years old and working on refreshing my skills. Thanks

Algebra ->  Graphs -> SOLUTION: 2x+y=5 3x-y=10 How do I solve this by graphing? I'm 46 years old and working on refreshing my skills. Thanks       Log On


   



Question 459608: 2x+y=5
3x-y=10
How do I solve this by graphing? I'm 46 years old and working on refreshing my skills. Thanks

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
2x+y=5 .............1
3x-y=10 .............2
Add the two equations
5x=15
/5
x=3
plug value of x in (1)
2x+y=5
6+y=5
y=5-6
y=-1