9+3x=-4x+86

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Solution for 9+3x=-4x+86 equation: 


x in (-oo:+oo)

3*x+9 = 86-4*x // - 86-4*x

3*x-(-4*x)-86+9 = 0

3*x+4*x-86+9 = 0

7*x-77 = 0 // + 77

7*x = 77 // : 7

x = 77/7

x = 11

x = 11

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