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14-09-2022
Mathematics

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What value of r makes the following equation true?

8=−3r+7r

Enter your answer as a number, like this: 42

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koredeyusuf799 koredeyusuf799

14-09-2022

Answer:

2

Step-by-step explanation:

8=-3r+7r

8=4r

divide both sides by 4

2=r

or r=2

check:

8=-3(2)+7(2)

8=-6+14

8=8

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