1\frac{5}{6}*0,75+x=6,4+(-1\frac{2}{3})
\frac{11}{6}*\frac{3}{4}+x=6,4-1\frac{2}{3}
\frac{11}{8}+x=6,4-1\frac{2}{3}
1,375+x=6,4-\frac{5}{3} |-1,357 od obu stron równania
x=5.025-\frac{5}{3}
x=5\frac{1}{40}-1\frac{2}{3}
x=4\frac{41}{40}-1\frac{2}{3}
x=4\frac{123}{120}-1\frac{80}{120}
x=3\frac{43}{120}
x=3,358(3)