anonymous
  • anonymous
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
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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freckles
  • freckles
so you are given the sum of two numbers is x. (say the numbers are k and L)-(so L+k=12) one of those numbers is 12. (replace one of the letters there, say replace L with 12) so you are given 12+k=x just solve for other number (which we called k)
anonymous
  • anonymous
12+x
freckles
  • freckles
did you try solving for k ?

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anonymous
  • anonymous
yeah
freckles
  • freckles
so how did you solve this equation for k 12+k=x
anonymous
  • anonymous
12+x just makes sense to me sum of two numbers 12 is one x is the outher
freckles
  • freckles
ok since you don't know how to solve the equation above for x I can give you one more way to look at this
freckles
  • freckles
you are given them of 12 and another number is x and they are asking what that other number is well 12+which of your choices give you x
freckles
  • freckles
choices: 12 - x x - 12 12 + x 12 x --- well is 12+(12-x) = x? or is 12+(x-12)=x? or is 12+(12+x)=x? or is 12+(12x)=x?
freckles
  • freckles
which of these equations are true
freckles
  • freckles
you are given the sum of 12 and another number is x *
anonymous
  • anonymous
12x
freckles
  • freckles
12x+12 how does this simplify to x?
anonymous
  • anonymous
idk im not good at algerbra
freckles
  • freckles
you don't have to be you have to be good at arithmetic for this question do you know what 12-12=?
freckles
  • freckles
12-12... if you have 12 apples and someone takes all 12 apples away then how many apples are you left with?
anonymous
  • anonymous
0
freckles
  • freckles
so what does this simplify to then: 12+(x-12)
freckles
  • freckles
you can rearrange it... 12-12+x
anonymous
  • anonymous
x-12
freckles
  • freckles
12-12+x = 0+x = x
freckles
  • freckles
and above solving this equation for k : 12+k=x you would subtract 12 on both sides -12 -12 --------------- k=x-12 just going back to how to do the previous way

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