Помогите пожалуйста решите уравнение : 2/3 d- 1/2d + d+ 2 1/6= 4,5

[latex] frac{2}{3} d- frac{1}{2} d+d+2 frac{1}{6} =4.5/6 4d-3d+6d+13=27 7d=14 d=2 [/latex]

²/₃d - ¹/₂d + d+ 2¹/₆= 4,5²/₃d - ¹/₂d + d = ⁴⁵/₁₀ - 2¹/₆⁴/₆d - ³/₆d + d = ⁴⁵/₁₀ - ¹³/₆¹/₆d + d = ⁴⁵/₁₀ - ¹³/₆1¹/₆d = ⁴⁵ˣ³/₃₀ - ¹³ˣ⁵/₃₀1¹/₆d = ¹³⁵/₃₀ - ⁶⁵/₃₀1¹/₆d = ¹³⁵⁻⁶⁵/₃₀ ⁷/₆d = ⁷⁰/₃₀d =  ⁷⁰/₃₀ ÷ ⁷/₆d =  ⁷⁰/₃₀ × ⁶/₇d =  ⁷⁰ˣ⁶/₃₀ₓ₇d =  ¹⁰/₅d = 2Проверка²/₃×2 - ¹/₂×2 + 2+ 2¹/₆= 4,5²ˣ²/₃ - ²ˣ¹/₂ + 4¹/₆ = 4,5⁴/₃ - ²/₂ + 4¹/₆ = 4,5⁴/₃ - 1 + 4¹/₆ = 4,5⁴/₃ + 3¹/₆ = 4,5⁴/₃ + ¹⁹/₆ = 4,5⁸/₆ + ¹⁹/₆ = 4,5⁸⁺¹⁹/₆ = 4,5²⁷/₆ = 4,54³/₆ = 4,54¹/₂ = 4,54,5 = 4,5