Question 932947

{{{abs(4x-7)= 13}}}

{{{abs(4x-7)=(4x-7)}}} or {{{abs(4x-7)=-(4x-7)}}}

so, if {{{4x-7= 13}}}=>{{{4x= 13+7}}}=>{{{x=20/4}}}=>{{{x=5}}}

if {{{-(4x-7)= 13}}}=>{{{-4x= 13-7}}}=>{{{x=6/-4}}}=>{{{x=-3/2}}}


{{{ graph( 600, 600, -5, 10, -5, 20,13, abs(4x-7)) }}}