7/9x=-21 - solution

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Solution for 7/9x=-21 equation:

x in (-oo:+oo)

(7/9)*x = -21 // + 21

(7/9)*x+21 = 0

7/9*x+21 = 0 // - 21

7/9*x = -21 // : 7/9

x = -21/7/9

x = -27

x = -27

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