(x/7)=-3 - solution

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Solution for (x/7)=-3 equation:

x in (-oo:+oo)

x/7 = -3 // + 3

x/7+3 = 0

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

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

x = -3/1/7

x = -21

x = -21

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