2/5b=-42

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Solution for 2/5b=-42 equation: 


b in (-oo:+oo)

(2/5)*b = -42 // + 42

(2/5)*b+42 = 0

2/5*b+42 = 0 // - 42

2/5*b = -42 // : 2/5

b = -42/2/5

b = -105

b = -105

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