2/3(x-9)+1/3x=7x-15

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Solution for 2/3(x-9)+1/3x=7x-15 equation: 


x in (-oo:+oo)

(2/3)*(x-9)+(1/3)*x = 7*x-15 // - 7*x-15

(2/3)*(x-9)+(1/3)*x-(7*x)+15 = 0

(2/3)*(x-9)+(1/3)*x-7*x+15 = 0

2/3*(x-9)+x/3-7*x+15 = 0

(2/3*3*(x-9))/3+x/3+(-7*3*x)/3+(3*15)/3 = 0

2/3*3*(x-9)+x-7*3*x+3*15 = 0

3*x-21*x-18+45 = 0

45-18*x-18 = 0

27-18*x = 0

(27-18*x)/3 = 0

(27-18*x)/3 = 0 // * 3

27-18*x = 0

27-18*x = 0 // - 27

-18*x = -27 // : -18

x = -27/(-18)

x = 3/2

x = 3/2

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