7/5w=-21 - solution

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Solution for 7/5w=-21 equation:

w in (-oo:+oo)

(7/5)*w = -21 // + 21

(7/5)*w+21 = 0

7/5*w+21 = 0 // - 21

7/5*w = -21 // : 7/5

w = -21/7/5

w = -15

w = -15

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