In which times,people drew pictures of plants and carved statues of animals to document the world around them.

In the ANCIENT TIMES, in the early times of cavemen and early human society, due to the fact that there was little means of oral communication and practically no means of written communication, individuals drew their findings on walls in order to be able to document their world.

-2x+8=y=x-1
-2x+8=x-1
add 2x to both sides
8=3x-1
add 1
9=3x
divide 3
3=x
sub
y=x-1
y=3-1
y=2

(x,y)
(3,2)