Question

Solve for x

2/(7x) = 6/5

5/21
-21/5
21/5
I don't know
- 5/21

Answer 1

The answer is: [A]: "
`(5)/(21)` " .
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Given:

2/ (7x) = 6/5;

→ (6/5) * (7x) = 2 ;

42x / 5 = 2 ;

42x = 2*5 ;

42x = 10 ;

42x /42 = 10/42 ;

x = 10/42 = (10÷2) / (42÷2) = 5/21 ;

x =
`(5)/(21)` ;

→ which is: Answer choice: [A]: "
`(5)/(21)` " .
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