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23-11-2016
Mathematics

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How to solve x-2y=1 for y

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23-11-2016

To begin to isolate y, perform the opposite operation and subtract x on both sides of the equation

-2y = -x -1

Perform the opposite operation by dividing both sides of the equation by -2

[tex]y=- \frac{1}{2} x+ \frac{1}{2} [/tex]

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