7ab+6ab+(-3a)+9b+6a-3b (algebra ans =10a +12b)
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Answer:
7ab+6ab+(-3a) +9b+6a-3b
=13ab+(9b-3b) +(6a-3a)
=13ab+6b+3a
Answered by
0
Answer:
7ab+6ab+(-3a)+9b+6a-3b
=13ab-3a+6b+6a
=13ab+3a+6b
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