7b+5=30+2b

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Solution for 7b+5=30+2b equation: 


b in (-oo:+oo)

7*b+5 = 2*b+30 // - 2*b+30

7*b-(2*b)-30+5 = 0

7*b-2*b-30+5 = 0

5*b-25 = 0 // + 25

5*b = 25 // : 5

b = 25/5

b = 5

b = 5

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