gabby1417 gabby1417

26-08-2018
Mathematics

contestada

One number is 9 more than twice another number. If the sum of the number is 129, find both numbers.

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konrad509 konrad509

26-08-2018

[tex] x=2y+9\\
x+y=129\\\\
2y+9+y=129\\
3x=120\\
x=40\\\\
40+y=129\\
y=89 [/tex]

40 and 89

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