ChristineCanul845 ChristineCanul845
  • 12-07-2015
  • Mathematics
contestada

The sum of two numbers is x. If one of the numbers is 12, what is the other? 12 - x x - 12 12 + x 12 x

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naǫ
naǫ naǫ
  • 13-07-2015
One of the number is 12.
The other number is y.
The sum of the numbers is x.

[tex]12+y=x \\ y=x-12[/tex]

The other number is x-12.
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calculista
calculista calculista
  • 01-11-2018

Let

a-------> one of the numbers

b------> the other number

we know that

[tex]a+b=x[/tex] ----> equation A

[tex]a=12[/tex]

substitute the value of a in the equation A

[tex]12+b=x[/tex]

solve for b

Subtract [tex]12[/tex] from both sides

[tex]12+b-12=x-12[/tex]

[tex]b=x-12[/tex]

therefore

the answer is

The other number is [tex]x-12[/tex]


Answer Link

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