2/3f-f=-20

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Solution for 2/3f-f=-20 equation:


f in (-oo:+oo)

(2/3)*f-f = -20 // + 20

(2/3)*f-f+20 = 0

20-1/3*f = 0 // - 20

-1/3*f = -20 // : -1/3

f = -20/(-1/3)

f = 60

f = 60

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