7-x-x=1

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Solution for 7-x-x=1 equation: 


x in (-oo:+oo)

7-x-x = 1 // - 1

7-x-x-1 = 0

6-2*x = 0 // - 6

-2*x = -6 // : -2

x = -6/(-2)

x = 3

x = 3

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