b/2-(-5)=7 - solution

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Solution for b/2-(-5)=7 equation:

b in (-oo:+oo)

b/2+5 = 7 // - 7

b/2-7+5 = 0

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

1/2*b = 2 // : 1/2

b = 2/1/2

b = 4

b = 4

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