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

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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