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b in (-oo:+oo)
2*(1-(3*b)) = -52 // + 52
2*(1-(3*b))+52 = 0
2*(1-3*b)+52 = 0
2*(1-3*b)+52 = 0
54-6*b = 0
54-6*b = 0
54-6*b = 0 // - 54
-6*b = -54 // : -6
b = -54/(-6)
b = 9
b = 9
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