Mathematics: Kathi starts with number. she adds 3 to her number then doubles the resut. finally, she sustracts 7. if she ended with 9, what number did she start with?

Kathi starts with number. she adds 3 to her number

Ответ:

help977

07.01.2022

If the number is x, then 2*(x+3)-7=9 due to that you subtract the result of double of x+3. Adding 7 to both sides, we get 2*(x+3)=16. Next, we divide both sides by 2 to get x+3=8 and subtract 3 from both sides for our final result, x=5

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Ответ:

BreBreDoeCCx

07.09.2021

Mathematics

These acts all helped the countries form new states. These acts all helped to move frontiers further westward.

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Kathi starts with number. she adds 3 to her number then doubles the resut. finally, she sustracts 7. if she ended with 9, what number did she start with?

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