kerishayoung kerishayoung

08-09-2015
Geography

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if Rs=5x-2, ST= 3x 2, and RT=48 find the values of RS and ST

Respuesta :

09-09-2015

RS + ST = RT

(5x-2) + (3x + 2) = 48

5x + 3x - 2 +2 = 48

8x = 48

8x/8 = 48/8

x = 6

RS = 5x - 2
= 5(6) - 2
   = 30 -2
  = 28

ST = 3x + 2
  = 3(6) + 2
= 18 + 2
= 20

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