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See question in image.
Find x ​

See question in image. Find x ​-example-1

1 Answer

2 votes

Answer:

15

Explanation:

Let's say that the length of the vertical line is y. Then we can assume that 20+x=7y, 25+x=8y. Subtract the second with the first and you get y=5. Substitute y=5 into 20+x=7y, 20+x=35, therefore x=15

User Nikita Kuznetsov
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