3+5x+4x=39

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Solution for 3+5x+4x=39 equation: 


x in (-oo:+oo)

5*x+4*x+3 = 39 // - 39

5*x+4*x-39+3 = 0

9*x-36 = 0 // + 36

9*x = 36 // : 9

x = 36/9

x = 4

x = 4

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