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x=7

Step-by-step explanation:

First off let's simplify both side of this equation.

                54x+22−60x=60x−20−60x

                         −6x+22=−20

Now we can subtract 22 from sides, giving us the result of

                               -6x = -42

We can now divide both sides by -6

−6x/6  =  -42/6

Making the answer be x=7

center= (-2,0)

radius= sqrt2/2

step-by-step explanation:

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