riquevasquez riquevasquez

13-02-2021
Mathematics

contestada

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

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iamEmmanuel iamEmmanuel

14-02-2021

Answer:

7r+7

Step-by-step 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

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