Alg3.1.5

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x-y+4x-y^2=12\,

First, collect powers of x. y is regarded as a constant.

5x-y^2-y=12\,

Then, add y2 + y to both sides.

5x=y^2+y+12\,

Now, divide both sides by 5.

x=\frac{y^2+y+12}{5}\,

Algebra

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