We know that
if <span>|x+ y-7|+ |4x - y+ 12|= 0
then
</span>x+ y-7=0
and
4x - y+ 12=0
using a graph tool
see the attached figure
the solution is the point (-1,8)
the answer is
<span>the ordered pair of real numbers is (-1,8)</span>
if <span>|x+ y-7|+ |4x - y+ 12|= 0
then
</span>x+ y-7=0
and
4x - y+ 12=0
using a graph tool
see the attached figure
the solution is the point (-1,8)
the answer is
<span>the ordered pair of real numbers is (-1,8)</span>
