b/7+18=30

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Solution for b/7+18=30 equation: 


b in (-oo:+oo)

b/7+18 = 30 // - 30

b/7-30+18 = 0

1/7*b-12 = 0 // + 12

1/7*b = 12 // : 1/7

b = 12/1/7

b = 84

b = 84

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