2 5/6 = (2×6+5)/6 = 17/6
1 1/3 = (1×3+1)/3 = 4/3
(17/6 - ²⁾4/3) : (x+1) = 5/2
(17/6-8/6) : (x+1) = 5/2
9/6 : (x+1) = 5/2
x+1 = 9/6 : 5/2
x+1 = 9/6 × 2/5
x+1 = 9/15⁽³
x+1 = 3/5
x = 3/5 - ⁵⁾1
x = 3/5 - 5/5
x = -2/5
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Verified answer
2 5/6 = (2×6+5)/6 = 17/6
1 1/3 = (1×3+1)/3 = 4/3
(17/6 - ²⁾4/3) : (x+1) = 5/2
(17/6-8/6) : (x+1) = 5/2
9/6 : (x+1) = 5/2
x+1 = 9/6 : 5/2
x+1 = 9/6 × 2/5
x+1 = 9/15⁽³
x+1 = 3/5
x = 3/5 - ⁵⁾1
x = 3/5 - 5/5
x = -2/5