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1 vote
12(r + t) - 6(r + t) + 4(r +t) - (r + t)

2 Answers

4 votes
9r+9t I hope this help
User Glenn Vandamme
by
9.4k points
3 votes

Answer:

10r+10t

HOPE THIS HELPS

-Todo <3

Explanation:

User Bassant Ashraf
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