ZJSG09112007 ZJSG09112007

01-10-2021
Mathematics

contestada

See question in image.
Find x

See question in imageFind x class=

Respuesta :

01-10-2021

Answer:

15

Step-by-step 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

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