SOLUTION: solve by substitution 2x - y = 4 2x - y = 3

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Question 206600: solve by substitution 2x - y = 4
2x - y = 3

Answer by Marth(57) About Me  (Show Source):
You can put this solution on YOUR website!
You can choose to use x or y as substitution; both are about the same difficulty in this case. I will use x.


Solve the first equation for 2x.
2x-y=4
2x=y%2B4


Substitute y%2B4 for all 2x in the second equation.
2x-y=3
y%2B4-y=3
4=3


There are no solutions.