x/5=-21 - solution

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Solution for x/5=-21 equation:

x in (-oo:+oo)

x/5 = -21 // + 21

x/5+21 = 0

1/5*x+21 = 0 // - 21

1/5*x = -21 // : 1/5

x = -21/1/5

x = -105

x = -105

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