9+6x=-3x-90

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Solution for 9+6x=-3x-90 equation: 


x in (-oo:+oo)

6*x+9 = -3*x-90 // + -3*x-90

6*x-(-3*x)+9+90 = 0

6*x+3*x+9+90 = 0

9*x+99 = 0 // - 99

9*x = -99 // : 9

x = -99/9

x = -11

x = -11

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