-7y/3=21 - solution

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Solution for -7y/3=21 equation:

y in (-oo:+oo)

(-7*y)/3 = 21 // - 21

(-7*y)/3-21 = 0

-7/3*y-21 = 0 // + 21

-7/3*y = 21 // : -7/3

y = 21/(-7/3)

y = -9

y = -9

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