1/3(x+3)+1/15(x-15)=x+9

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Solution for 1/3(x+3)+1/15(x-15)=x+9 equation: 


x in (-oo:+oo)

(1/3)*(x+3)+(1/15)*(x-15) = x+9 // - x+9

(1/3)*(x+3)+(1/15)*(x-15)-x-9 = 0

1/3*(x+3)+1/15*(x-15)-x-9 = 0

1/3*(x+3)+1/15*(x-15)-x-9 = 0

2/5*x-x-9 = 0

-3/5*x-9 = 0

-3/5*x-9 = 0

-3/5*x-9 = 0 // + 9

-3/5*x = 9 // : -3/5

x = 9/(-3/5)

x = -15

x = -15

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