-1/3x=-7 - solution

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

x in (-oo:+oo)

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

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

7-1/3*x = 0 // - 7

-1/3*x = -7 // : -1/3

x = -7/(-1/3)

x = 21

x = 21

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