¼z + ( z - 6 ) = ⅔ ( z - 2 )

¼z + ( z - 6 ) = ⅔ ( z - 2 ) ¼z+z-6=⅔z-⁴/₃ 1¼z-⅔z=-⁴/₃+6 1³/₁₂z-⁸/₁₂z=-1⅓+6 ⁷/₁₂z =4⅔ |*¹²/₇ z=¹⁵/₃*²/₇ z=³⁰/₂₁ z=1 ⁹/₂₁ z= 1 ³/₇

¼z + ( z - 6 ) = ⅔ ( z - 2 ) 0,25z+z-6=2/3z-4/3 1,25z=2/3z+ 4 2/3 z=8