1=2b+4b+7

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Solution for 1=2b+4b+7 equation: 


b in (-oo:+oo)

1 = 2*b+4*b+7 // - 2*b+4*b+7

1-(2*b)-(4*b)-7 = 0

1-2*b-4*b-7 = 0

-6*b-6 = 0 // + 6

-6*b = 6 // : -6

b = 6/(-6)

b = -1

b = -1

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