a/-4=-9

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Solution for a/-4=-9 equation: 


a in (-oo:+oo)

a/(-4) = -9 // + 9

a/(-4)+9 = 0

9-1/4*a = 0 // - 9

-1/4*a = -9 // : -1/4

a = -9/(-1/4)

a = 36

a = 36

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