1. 2/3x+3 3/5=4 2/3 2. (x-0,18):0,02=3

[latex] \frac{2}{3} x=4 \frac{2}{3} -3 \frac{3}{5}[/latex] [latex] \frac{2}{3} x=4 \frac{10}{15} -3 \frac{9}{15}[/latex] [latex] \frac{2}{3} x=1 \frac{1}{15} [/latex] [latex]x= \frac{16}{15} * \frac{3}{2} [/latex] x=[latex] \frac{8}{5} [/latex] x=1.6 x-0.18=3*0.02 x-0.18=0.06 x=0.06+0.18 x=0.24