Michael J. answered • 01/06/16
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Multiply the first equation by 5. Multiply the second equation by 4.
35x + 20y = 50
36x - 20y = 44
Next, we can add the equations. This will eliminate the y terms.
71x = 94
x = 1.324
Now, plug in this value of y into any of the equations to solve for y.
Michael J.
01/07/16