2+7b=65

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Solution for 2+7b=65 equation: 


b in (-oo:+oo)

7*b+2 = 65 // - 65

7*b-65+2 = 0

7*b-63 = 0 // + 63

7*b = 63 // : 7

b = 63/7

b = 9

b = 9

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