54,546 views
28 votes
28 votes
8 - (3 + b) = b - 9
please show work

User Zakher Masri
by
3.2k points

2 Answers

18 votes
18 votes

8 - (3 + b) = b - 9

Opening the brackets changes the symbol to it's opposite symbol, which gives us

8 - 3 - b = b - 9

By using the transposition method, we get

8 - 3 + 9 = b + b

or, 14 = 2b

or, 14/2 = b

or, 7 = b

The value of b is 7.

User Azsgy
by
2.6k points
26 votes
26 votes
b=7 I showed my work so I hope it helps!
8 - (3 + b) = b - 9 please show work-example-1
User Vezunchik
by
2.5k points