7b+3=66

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Solution for 7b+3=66 equation: 


b in (-oo:+oo)

7*b+3 = 66 // - 66

7*b-66+3 = 0

7*b-63 = 0 // + 63

7*b = 63 // : 7

b = 63/7

b = 9

b = 9

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