6+6x=x-9

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Solution for 6+6x=x-9 equation:


x in (-oo:+oo)

6*x+6 = x-9 // - x-9

6*x-x+6+9 = 0

5*x+15 = 0 // - 15

5*x = -15 // : 5

x = -15/5

x = -3

x = -3

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