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
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-> 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
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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)
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Show Source
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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