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16 votes
Simplify the expression
8r+(4r? – 5r+7)
Help!!!

User Htechno
by
4.1k points

1 Answer

7 votes

Answer:

7r+7

Explanation:

just open up the bracket... nothing will change

8r+4r-5r+7 (since 8r, 4r and 5r are alike we can add them together)

8r+4r=12r

12r-5r=7r

...7r+7

User Desert Ice
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4.3k points