87.56????????
Just subtract 87.56 from 123.47 then divide by 2 .
= 17.95
We have that
<span>the system
y=2x+1
y=2x</span>²<span>+1
using a graph tool
see the attached figure
the
solution are the points
(0,1) and (1,3)
the answer is
</span><span> (0, 1) and (1, 3) </span>