А)1/2х-1/3=0 б)1/4х+1/2=0 в)-1/3х+1/5=0 г)-1/4х-1/3=0

[latex] \frac{1}{2} x= \frac{1}{3} [/latex] [latex]x= \frac{1}{3} : \frac{1}{2} [/latex] [latex]x= \frac{1}{3} *2[/latex] [latex]x= \frac{2}{3} [/latex] [latex] \frac{1}{4} x=- \frac{1}{2} [/latex] [latex]x=- \frac{1}{2} *4 [/latex] [latex]x=-2[/latex] [latex]- \frac{1}{3} x=- \frac{1}{5} [/latex] [latex]x=- \frac{1}{5} *(-3)[/latex] [latex]x=0.6[/latex] [latex]- \frac{1}{4} x= \frac{1}{3} [/latex] [latex]x= \frac{1}{3} *(-4)[/latex] [latex]x=-1 \frac{1}{3} [/latex]