3-4x/5=-9

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Solution for 3-4x/5=-9 equation: 


x in (-oo:+oo)

3-((4*x)/5) = -9 // + 9

3-((4*x)/5)+9 = 0

(-4/5)*x+3+9 = 0

12-4/5*x = 0 // - 12

-4/5*x = -12 // : -4/5

x = -12/(-4/5)

x = 15

x = 15

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