Question 1020815
Solving systems by equations.
Y=x-2
Y=4x+1
that is:
 4x+1 = x-2
 3x = -3
 x = {{{highlight(-1)}}}  and y = {{{highlight( -3)}}} {{{-1-2}}}
Checking
{{{Y=4x+1}}}
 - 3 =4( -1) + 1
 -3 = -4 + 1
-3 = -3  Checks!