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I need an answer to this big question

I need an answer to this big question-example-1
User Youniteus
by
6.3k points

1 Answer

3 votes

Answer:

RS + ST = RT

23 - 2x + 9x - 5 = 39

18 + 7x = 39

7x = 39 - 18 = 21

x= 21/7

x = 3

RS = 23 - 2x (given)

RS = 23 - 2(3)

= 23 - 6

RS = 17

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