3 years ago

What is the value of x?

Mathematics

1 answer:

Sergeeva-Olga [200]3 years ago

4 0

Answer:

x=9

Step-by-step explanation:

hello :

use thales- rul :

(3x-20)/56 =9/72

(3x-20)72= 9×56

3x-20 =9×56/72

3x-20 =7

3x=27

x=27/3

x=9

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