3x-9=4x+3

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


x in (-oo:+oo)

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

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

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

-x-12 = 0 // + 12

-x = 12 // * -1

x = -12

x = -12

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