(⁵/₁₂-х):¹/₂=²/₉
⁵/₁₂-х =²/₉×¹/₂
⁵/₁₂-х=²ˣ¹/₉ˣ₂
⁵/₁₂-х=¹/₉
- x = - ⁵/₁₂ + ¹/₉
- x = -⁵ˣ³/₃₆ + ¹ˣ⁴/₃₆
- x = -¹⁵/₃₆ + ⁴/₃₆
- x = ⁻¹⁵⁺⁴/₃₆
- x = -¹¹/₃₆
x = ¹¹/₃₆
проверка
(⁵/₁₂-¹¹/₃₆):¹/₂=²/₉
(⁵ˣ³/₃₆-¹¹/₃₆):¹/₂=²/₉
(¹⁵/₃₆-¹¹/₃₆):¹/₂=²/₉
⁴/₃₆:¹/₂=²/₉
⁴/₃₆ײ/₁=²/₉
⁴ˣ²/₃₆ₓ₁=²/₉
⁴/₁₈ = ²/₉
²/₉= ²/₉