2b+5-4b=-7

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Solution for 2b+5-4b=-7 equation: 


b in (-oo:+oo)

2*b-(4*b)+5 = -7 // + 7

2*b-(4*b)+5+7 = 0

2*b-4*b+5+7 = 0

12-2*b = 0 // - 12

-2*b = -12 // : -2

b = -12/(-2)

b = 6

b = 6

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