3+3x=4x+9

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Solution for 3+3x=4x+9 equation: 


x in (-oo:+oo)

3*x+3 = 4*x+9 // - 4*x+9

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

3*x-4*x-9+3 = 0

-x-6 = 0 // + 6

-x = 6 // * -1

x = -6

x = -6

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