Question

8-(3+b)=b-9

Answer 1

please help

Answer 2

Remove the parentheses first
8-3-b=b-9

Add b both sides
8-3-b=b-9
+b =b
===========
8-3=2b-9
8-3+9=2b
14=2b
Divide 14 with 2b
14/2=b
b=7 ans.

Answer 3

8-(3+b)=b-9
8-3-b=b-9 you multiply away the brackets
5-b=b-9 8-3=5
14=2b move -b to another side and -9 to another and divide it by 2
7=b

Answer 4

thanks

Answer 5

@ojeano explain better