X/-20=4.5 - solution

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Solution for X/-20=4.5 equation:

X in (-oo:+oo)

X/(-20) = 4.5 // - 4.5

X/(-20)-4.5 = 0

-1/20*X-4.5 = 0 // + 4.5

-1/20*X = 4.5 // : -1/20

X = 4.5/(-1/20)

X = -90

X = -90

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