SOLUTION: Using the addition method solve the equation
2x-7y=4
5x-5y=4
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Question 811692: Using the addition method solve the equation
2x-7y=4
5x-5y=4
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Using the addition method solve the equation
2x-7y=4
5x-5y=4
------
Modify for elimination:
10x - 35y = 20
-10x + 10y = -8
--------
Add and solve for "y":
-25y = 12
y = -12/25
------
Solve for "x":
5x - 5(-12/25) = 4
5x + (60/25) = 4
5x = 40/25
x = 8/25
====================
Cheers,
Stan H.
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