SOLUTION: solve by equation.
-x+3y=6
2x+y=8
Algebra.Com
Question 357789: solve by equation.
-x+3y=6
2x+y=8
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
-x+3y=6
2x+y=8
...
multiply first equation by 2
we get -2x+6y=12
add to second equation
-2x+2x+6y+y=12+8
7y=20
/7
y=20/7
...
plug the value of y in the equation 1
-x+3*20/7=6
-x+60/7=6
x=60/7 -6
x=(60-42)/7
x=18/7
...
m.ananth@hotmail.ca
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