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(1/3)*x+10 = 29/3 // - 29/3
(1/3)*x-(29/3)+10 = 0
(1/3)*x-29/3+10 = 0
1/3*x+1/3 = 0 // - 1/3
1/3*x = -1/3 // : 1/3
x = -1/3/1/3
x = -1
x = -1
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