3b+5-7b=1

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Solution for 3b+5-7b=1 equation: 


b in (-oo:+oo)

3*b-(7*b)+5 = 1 // - 1

3*b-(7*b)-1+5 = 0

3*b-7*b-1+5 = 0

4-4*b = 0 // - 4

-4*b = -4 // : -4

b = -4/(-4)

b = 1

b = 1

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