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12-02-2017
Mathematics

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One number is 5 more than twice another. If their sum is decreased by 10, the result is 22

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apologiabiology apologiabiology

12-02-2017

x=5+2y
x+y-10=22
x+y=32
5+2y+y=32
3y+5=32
3y=27
y=9
x=5+2y
x=5+2(9)
x=5+18
x=23

the answer is the numbers are 23 and 9

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