(9b+7)/4=2b+4

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Solution for (9b+7)/4=2b+4 equation: 


b in (-oo:+oo)

(9*b+7)/4 = 2*b+4 // - 2*b+4

(9*b+7)/4-(2*b)-4 = 0

(9*b+7)/4-2*b-4 = 0

(9*b+7)/4+(-2*4*b)/4+(-4*4)/4 = 0

9*b-2*4*b-4*4+7 = 0

b-16+7 = 0

b-9 = 0

(b-9)/4 = 0

(b-9)/4 = 0 // * 4

b-9 = 0

b-9 = 0 // + 9

b = 9

b = 9

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