Question

3 x is equal to 20 by 7 - x​

Answer 1

Answer:

x = 5/7

Step-by-step explanation:

by the given question,

3x = 20/7-x

3x + x = 20/7

4x × 7 = 20

28x = 20

x = 20/28

hence, x = 5/7

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