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Find the ordered pair (s,t) that satisfies the system

 

s/5 + 5t = 3

3t + 6s = 9

 Apr 16, 2021

Best Answer 

 #1
avatar+33689 
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6s   + 3t = 9         multiply the first equation by -30 to get

-6s -150t = -90    add these two together

- 147 t = -81

      t = 81/147  = 27/49      Use this value in either of the equations to calculate 's'

 Apr 16, 2021
 #1
avatar+33689 
+2
Best Answer

6s   + 3t = 9         multiply the first equation by -30 to get

-6s -150t = -90    add these two together

- 147 t = -81

      t = 81/147  = 27/49      Use this value in either of the equations to calculate 's'

ElectricPavlov Apr 16, 2021

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