2x/7=x/3-1 - solution

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Solution for 2x/7=x/3-1 equation:

x in (-oo:+oo)

(2*x)/7 = x/3-1 // - x/3-1

(2*x)/7-(x/3)+1 = 0

1-1/21*x = 0 // - 1

-1/21*x = -1 // : -1/21

x = -1/(-1/21)

x = 21

x = 21

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