-3/4z=-21

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Solution for -3/4z=-21 equation: 


z in (-oo:+oo)

(-3/4)*z = -21 // + 21

(-3/4)*z+21 = 0

21-3/4*z = 0 // - 21

-3/4*z = -21 // : -3/4

z = -21/(-3/4)

z = 28

z = 28

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