7-7/5b=21

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Solution for 7-7/5b=21 equation: 


b in (-oo:+oo)

7-((7/5)*b) = 21 // - 21

7-((7/5)*b)-21 = 0

(-7/5)*b-21+7 = 0

-7/5*b-14 = 0 // + 14

-7/5*b = 14 // : -7/5

b = 14/(-7/5)

b = -10

b = -10

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