3=3b+2b-7

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Solution for 3=3b+2b-7 equation: 


b in (-oo:+oo)

3 = 3*b+2*b-7 // - 3*b+2*b-7

3-(3*b)-(2*b)+7 = 0

3-3*b-2*b+7 = 0

10-5*b = 0 // - 10

-5*b = -10 // : -5

b = -10/(-5)

b = 2

b = 2

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