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

s/2 + 5t = 3

3t - 6s = 9 - 5t

 Aug 3, 2022
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s/2 = 3 - 5t   mult through by 2 →  s =  6  -10t

 

3t - 6(6 - 10t)  = 9 - 5t

 

3t -  36 + 60t  = 9 - 5t

 

63t + 5t =  9 + 36

 

68t =  45

 

t  =  45 / 68

 

s = 6 - 10 (45/68)   =   -21 / 34

 

 

cool cool cool

 Aug 3, 2022

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