4b-{(3b-12)-(12b-17)}
Answers
Answered by
25
4b-{(3b-12-12b+17)}
4b-{5-9b}
4b-5+9b
13b-5
Answered by
4
Answer:
4b-3b+12-12b+17
b+29-12b
-11b+29
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