7=2/5b-5

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Solution for 7=2/5b-5 equation: 


b in (-oo:+oo)

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

5-((2/5)*b)+7 = 0

(-2/5)*b+5+7 = 0

12-2/5*b = 0 // - 12

-2/5*b = -12 // : -2/5

b = -12/(-2/5)

b = 30

b = 30

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