4/9-2/5b=4

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Solution for 4/9-2/5b=4 equation: 


b in (-oo:+oo)

4/9-((2/5)*b) = 4 // - 4

4/9-((2/5)*b)-4 = 0

(-2/5)*b+4/9-4 = 0

-2/5*b-32/9 = 0 // + 32/9

-2/5*b = 32/9 // : -2/5

b = 32/9/(-2/5)

b = -80/9

b = -80/9

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