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(2/3)*(6-(9*x))+x = -26 // + 26
(2/3)*(6-(9*x))+x+26 = 0
(2/3)*(6-9*x)+x+26 = 0
2/3*(6-9*x)+x+26 = 0
2/3*(6-9*x)+x+26 = 0
4-5*x+26 = 0
30-5*x = 0
30-5*x = 0
30-5*x = 0 // - 30
-5*x = -30 // : -5
x = -30/(-5)
x = 6
x = 6
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