yogirlmaria23 yogirlmaria23
  • 14-07-2017
  • Mathematics
contestada

what is the answer to 5x + 3y =31 and 2x+3y= 25 using elimination method

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choixongdong
choixongdong choixongdong
  • 14-07-2017
5x + 3y =31
2x + 3y= 25
--------------------subtract
3x = 6
x = 2

5x + 3y =31 
5(2) + 3y =31 
3y = 21
y = 7

answer
solution (2,7)
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