2/5=7b

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Solution for 2/5=7b equation: 


b in (-oo:+oo)

2/5 = 7*b // - 7*b

2/5-(7*b) = 0

2/5-7*b = 0

2/5-7*b = 0 // - 2/5

-7*b = -2/5 // : -7

b = -2/5/(-7)

b = 2/35

b = 2/35

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