8-2b+4b=28 - solution

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Solution for 8-2b+4b=28 equation:

b in (-oo:+oo)

4*b-(2*b)+8 = 28 // - 28

4*b-(2*b)-28+8 = 0

4*b-2*b-28+8 = 0

2*b-20 = 0 // + 20

2*b = 20 // : 2

b = 20/2

b = 10

b = 10

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