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23-08-2020
Mathematics

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The sum of two numbers is fifteen. One number is three less than the other. Determine the system of equations.

Respuesta :

23-08-2020

Answer:

let, one number be x

then, other number be x-3

X+X-3=15

or, 2X=15+3

or,2X=18

or,X=18÷2

or,X=9

one number =9

then another number=X-3=9-3=6

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