b/-4.2=9

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Solution for b/-4.2=9 equation: 


b in (-oo:+oo)

b/(-4.2) = 9 // - 9

b/(-4.2)-9 = 0

-0.23809524*b-9 = 0 // + 9

-0.23809524*b = 9 // : -0.23809524

b = 9/(-0.23809524)

b = -37.7999997

b = -37.7999997

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