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Question:

1212What is the x value of the solution to the system

A −1
explanation

To solve the system by eliminating y, multiply the first equation, 2xy=5, by 4 to obtain 8x4y=20. Next, add the second equation, x+4y=11, to the transformed equation and then solve the resulting equation for x.
8x4y=20
x+4y=11
9x+0=9
9x=9
9x9=99
x=1

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