1/4+6/7d-7d=121/140

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Solution for 1/4+6/7d-7d=121/140 equation: 


d in (-oo:+oo)

(6/7)*d-(7*d)+1/4 = 121/140 // - 121/140

(6/7)*d-(7*d)+1/4-(121/140) = 0

(6/7)*d-7*d+1/4-121/140 = 0

-43/7*d-43/70 = 0 // + 43/70

-43/7*d = 43/70 // : -43/7

d = 43/70/(-43/7)

d = -1/10

d = -1/10

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