3/1-x=7/1+x - solution

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Solution for 3/1-x=7/1+x equation:

x in (-oo:+oo)

3/1-x = x+7/1 // - x+7/1

3/1-x-x-(7/1) = 0

3-x-x-7 = 0

-2*x-4 = 0 // + 4

-2*x = 4 // : -2

x = 4/(-2)

x = -2

x = -2

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