-7/4w=-21 - solution

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Solution for -7/4w=-21 equation:

w in (-oo:+oo)

(-7/4)*w = -21 // + 21

(-7/4)*w+21 = 0

21-7/4*w = 0 // - 21

-7/4*w = -21 // : -7/4

w = -21/(-7/4)

w = 12

w = 12

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