1/-5a=-4 - solution

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Solution for 1/-5a=-4 equation:

a in (-oo:+oo)

(1/(-5))*a = -4 // + 4

(1/(-5))*a+4 = 0

4-1/5*a = 0 // - 4

-1/5*a = -4 // : -1/5

a = -4/(-1/5)

a = 20

a = 20

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