-7/2j=-21 - solution

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Solution for -7/2j=-21 equation:

j in (-oo:+oo)

(-7/2)*j = -21 // + 21

(-7/2)*j+21 = 0

21-7/2*j = 0 // - 21

-7/2*j = -21 // : -7/2

j = -21/(-7/2)

j = 6

j = 6

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