90(b+45)+b+(2b-90)+3/2=540

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Solution for 90(b+45)+b+(2b-90)+3/2=540 equation: 


b in (-oo:+oo)

90*(b+45)+b+2*b+3/2-90 = 540 // - 540

90*(b+45)+b+2*b+3/2-540-90 = 0

(2*90*(b+45))/2+(2*b)/2+(2*2*b)/2+3/2+(-540*2)/2+(-90*2)/2 = 0

2*90*(b+45)+2*b+2*2*b-540*2-90*2+3 = 0

182*b+4*b-1080-180+3+8100 = 0

186*b-1080-180+3+8100 = 0

186*b-1080-180+8103 = 0

186*b-180+7023 = 0

186*b+6843 = 0

(186*b+6843)/2 = 0

(186*b+6843)/2 = 0 // * 2

186*b+6843 = 0

186*b+6843 = 0 // - 6843

186*b = -6843 // : 186

b = -6843/186

b = -2281/62

b = -2281/62

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