Draw the one side then. Next to that you draw the other. Make sure there are noticeable differences between the two.
-a+b+(-7)
-(-8)+(-2)+(-7)
8 - 2 - 7
6 - 7
= -1
B+1 is not possible to be 0
for this b+1≠0, b ≠ -1
-1 is the value
I don’t know math I need someone to help me
