Question 915983
{{{abs(c+3)=15}}}

{{{c+3=15}}} =>{{{c=15-3}}}=>{{{c=12}}}

or

{{{-(c+3)=15}}} =>{{{-c-3=15}}}=>{{{-3-15=c}}}



{{{ drawing( 600, 600, -20, 20, -10, 20,locate(12,15,p(12,15)), locate(-18,15,p(-18,15)), circle(12,15,.2), circle(-18,15,.2), graph( 600, 600, -20, 20, -10, 20,abs(x+3),15)) }}}