SOLUTION: 3a+4-{-2-[-3-(a-1)]}

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Question 101742This question is from textbook
: 3a+4-{-2-[-3-(a-1)]} This question is from textbook

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
3a+4-{-2-[-3-(a-1)]}
start at the innermost parentheses.
3a+4-{-2-[-3-a+1]}
3a+4-{-2+3+a-1}
3a+4+2-3-a+1
2a+4
Ed