5=b+21/3 - solution

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Solution for 5=b+21/3 equation:

b in (-oo:+oo)

5 = b+21/3 // - b+21/3

5-b-(21/3) = 0

5-b-7 = 0

-b-2 = 0 // + 2

-b = 2 // * -1

b = -2

b = -2

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