Question

please tell me i wont it's answer​

Answer 1

Answer:

Answer is given in the photo

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Answer 2

(3x-7)/5=(1-x)/-3

do cross multiplication

-3(3x-7)=5(1-x)

-9x+21=5-5x

put variable one side and constant on other side

-9x+5x=5-21

-4x=-16

x=-16/-4

- , - will cut

Hence, x=4

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