1)3\4*(х-1\4)=1 5\16 ³/₄x - ³/₄ˣ¹/₄ = 1⁵/₁₆ ³/₄x - ³/₁₆ = 1⁵/₁₆ ³/₄x = 1⁵/₁₆ + ³/₁₆ ³/₄x = 1⁸/₁₆ ³/₄x = 1¹/₂ x = 1¹/₂ : ³/₄ x = 22) (3 4\5-х):12\13=13\20 ¹⁹/₅ - x = ¹²/₁₃ ˣ ¹³/₂₀ ¹⁹/₅ - x = ³/₅ -x = ³/₅ - ¹⁹/₅ -x = - ¹⁶/₅ x = 3 ¹/₅ x = 3,23)5 2\3*(12-х)=1⁵\₁₂ ¹⁷/₃ ˣ (12-х)=1⁵\₁₂ 12-х =1⁵\₁₂ : ¹⁷/₃ 12-х = ¹⁷/₁₂ : ¹⁷/₃ -x = ¹/₄ - 12 -x = - 11 ³/₄ x = 11,75 4) (х-2 ¹\₈):7 ⁵\₆ = 1 х-2 ¹\₈ = 1 ˣ 7 ⁵\₆ х-2 ¹\₈ = 7 ⁵\₆ x = 7 ⁵\₆ + 2 ¹\₈ x = ⁴⁷/₆ + ¹⁷/₈ x = 9 ²³/₂₄5) (10-х):¹²\₃₅ = ³⁵\₁₂ 10 - x = ³⁵\₁₂ ˣ ¹²\₃₅ 10 - x = 1 - x = 1 - 10 - x = - 9 x = 9