1/2b+9=13/2

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Solution for 1/2b+9=13/2 equation: 


b in (-oo:+oo)

(1/2)*b+9 = 13/2 // - 13/2

(1/2)*b-(13/2)+9 = 0

(1/2)*b-13/2+9 = 0

1/2*b+5/2 = 0 // - 5/2

1/2*b = -5/2 // : 1/2

b = -5/2/1/2

b = -5

b = -5

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