SOLUTION: x+y=7 x-9y=-13

Question 758679: x+y=7
x-9y=-13
Found 3 solutions by Cromlix, lynnlo, stanbon:
Answer by Cromlix(4381)   (Show Source): You can put this solution on YOUR website!
x+y=7.........1
x-9y=-13......2
Subtract 1 from 2
10y = 20
y = 2
Substitute y = 2
in Eq (1)
x + y = 7
x + 2 = 7
x = 7 - 2
x = 5
x = 5 y = 2
Hope this helps.
:-)
Answer by lynnlo(4176)   (Show Source): You can put this solution on YOUR website!
x=5,y=2
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
x+y=7
x-9y=-13
-------------
Subtract and solve for "y":
10y = 20
y = 2
-----
Solve for "x":
x + y = 7
x + 2 = 7
x = 5
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Cheers,
Stan H.
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