Respuesta :

The larger number is 17.

Explanation:

Let x denote the larger number.

Let y denote the smaller number.

From the question, we have,

[tex]x-y=9[/tex] and

[tex]x=1+2y[/tex]

Let us determine the value of y, using substitution method.

Substituting [tex]x=1+2y[/tex] in the equation [tex]x-y=9[/tex], we have,

[tex]1+2y-y=9[/tex]

       [tex]1+y=9[/tex]

             [tex]y=8[/tex]

Thus, the value of the smaller number is 8.

Substituting [tex]y=8[/tex] in the equation [tex]x=1+2y[/tex], we have,

[tex]x=1+2(8)[/tex]

[tex]x=1+16[/tex]

[tex]x=17[/tex]

Thus, the larger number is 17.

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