SOLUTION: Solve x-y=1and x+2y=7

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Question 1016914: Solve x-y=1and x+2y=7
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
x - y = 1.......(1)
x + 2y = 7......(2)
Subtract (1) from (2)
-3y = -6
y = 2
Substitute y = 2 into
x - y = 1
x - 2 = 1
x = 1 + 2
x = 3
x = 3, y = 2.
Hope this helps :-)