aniyasweettreat
aniyasweettreat aniyasweettreat
  • 09-05-2018
  • Mathematics
contestada

Which ordered pair is a solution of the equation? 3x-y=133x−y=13

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choixongdong
choixongdong choixongdong
  • 09-05-2018
3x - y = 133
 x  - y = 13
------------------subtract
2x = 120
  x = 60

substitute x = 60 into 
 x  - y = 13 to find y

 x  - y = 13
60  - y = 13
        y = 60 -13
        y = 47

answer
x = 60 and y = 47
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