SOLUTION: 3x-y=11 5y-7x=1 I have to find the x and y. Thanks for your help.

Question 833037: 3x-y=11
5y-7x=1
I have to find the x and y. Thanks for your help.
Found 2 solutions by stanbon, TigerAlgebra:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
3x-y=11
5y-7x=1
---------
Modify for elimination:
-5y + 15x = 55
5y - 7x = 1
------------------
Add and solve for "x":
8x = 56
x = 7
---------
Solve for "y":
3x-y = 11
21 - y = 11
y = 10
---------------
Cheers,
Stan H.
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Answer by TigerAlgebra(40) (Show Source): You can put this solution on YOUR website!
3x-y=11;5y-7x=1
{x,y} = {7,10}
Find x and y for the system of two equations 3x-y=11 and 5y-7x=1 on Tiger Algebra Solver
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