Question 359729
{{{abs(2x-7)-1=0}}}
{{{abs(2x-7)=1}}}
{{{2x-7=1}}} and {{{-(2x-7)=1}}}
{{{2x=8}}} and {{{2x-7=-1}}}
{{{x=4}}} and {{{2x=6}}}
{{{highlight(x=4)}}} and {{{highlight(x=3)}}}
.
.
.
{{{drawing(300,300,-2,8,-5,5,grid(1),circle(3,0,0.23),circle(4,0,0.23),graph(300,300,-2,8,-5,5,abs(2x-7)-1))}}}