7(1b+3)=105

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Solution for 7(1b+3)=105 equation: 


b in (-oo:+oo)

7*(1*b+3) = 105 // - 105

7*(1*b+3)-105 = 0

7*(b+3)-105 = 0

7*(b+3)-105 = 0

7*b-84 = 0

7*b-84 = 0

7*b-84 = 0 // + 84

7*b = 84 // : 7

b = 84/7

b = 12

b = 12

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