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(1/3)*x+10 = 89/9 // - 89/9
(1/3)*x-(89/9)+10 = 0
(1/3)*x-89/9+10 = 0
1/3*x+1/9 = 0 // - 1/9
1/3*x = -1/9 // : 1/3
x = -1/9/1/3
x = -1/3
x = -1/3
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