WoahhBro4788 WoahhBro4788
  • 03-01-2018
  • Mathematics
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The sum of two numbers is 1. three times the larger number plus two times the smaller number is 18. find the numbers

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kritter1
kritter1 kritter1
  • 03-01-2018
Let x be the larger number and y be the smaller number; 

x+y=1 <--- x=1-y 

3x+2y=18 

3(1-y)+2y=18 
3-3y+2y=18 
-y=18-3 
-y=15
y=-15 

x+y=1 
x-15=1 
x=1+15 
x=16 

Hope I helped :) 
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