Alegbraic expression. Simplify. please give step by step instructions
Alegbraic expression. Simplify. please give step by step instructions
3a+{b-2-[(a-b)+(b-1)]}
You should start with inner parenthesis.
3a+{b-2-[a-b+b-1]}=>3a+{b-2-[a-1]}=>3a+{b-2-a+1}
=>3a+{b-a-1}=>3a+b-a-1
=>2a+b-1