-b+2=-1/2 - solution

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Solution for -b+2=-1/2 equation:

b in (-oo:+oo)

2-b = -1/2 // + -1/2

2-b-(-1/2) = 0

1/2-b+2 = 0

5/2-b = 0 // - 5/2

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

b = 5/2

b = 5/2

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