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Robert has x books. Marie has twice as many books as Robert has. Together they have 18 books. Which of the following equations can be used to find the number of books that Rober…

Robert has x books. Marie has twice as many books as Robert has. Together they have 18 books. Which of the following equations can be used to find the number of books that Rober…
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Robert has x books. Marie has twice as many books as Robert has. Together they have 18 books. Which of the following equations can be used to find the number of books that Robert has? Choose one multiple choice answer

x+2=18
x+x+2=18
x+2x=18
2x=18

asked
User GWorking
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7.7k points

1 Answer

3 votes

Answer:

the answer: x+2x=18

Explanation:

answered
User Blago Eres
by
8.1k points
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