anonymous
  • anonymous
Simplify & show work: x-1/3 = x+1/4
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
This gives a false answer. By adding 1/3 to both sides then subtracting x from both sides you are told that ... 0 = 7/12
anonymous
  • anonymous
We both know this is not true!
anonymous
  • anonymous
There is an answer to it.You need to find the common denominator or something.

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anonymous
  • anonymous
I know the aswer is 7. I don't know how to get the answer though.
anonymous
  • anonymous
When you find it OMGI let me know :)
anonymous
  • anonymous
Okay!
anonymous
  • anonymous
Irene just think logically. You are told if you add something to x it is the same result as taking something away from x. See it like this I am thinking of a number that when you add it to a euro it is the same as taking it away from a euro. The onlt thing it can be is 0
anonymous
  • anonymous
...and even this does not satisfy your equation
anonymous
  • anonymous
I still believe there is an answer... lol. Maybe the common denominator is 12 since the denominators need to be multiplied.
anonymous
  • anonymous
Sorry Irene my analogy was rubbish! If you add 1/4 to a euro dollar whatever, it is the same as subtracting 1/3 from the same euro. It does not add up, so to speak!
anonymous
  • anonymous
I am confused.
anonymous
  • anonymous
I will do it line by line
anonymous
  • anonymous
there is no answer to it the given equation is wrong........................` x gets cancelled
anonymous
  • anonymous
believe me............................... i am sure i am studying in class 8(dont worry)
anonymous
  • anonymous
x-1/3 = x+1/4 add 1/3 to both sides x = x + 1/4 + 1/3 now subtracrt x from both sides so separating variables and constants 0 = 1/4 + 1/3 0= 7/12 Are you happy that 7/12 is equal to 0?
anonymous
  • anonymous
Okay, thank you then!
anonymous
  • anonymous
welcome.............................
anonymous
  • anonymous
Wait, did you read it wrong? I meant x-1 OVER 3 = x + 1 OVER 4.
anonymous
  • anonymous
OK it does not read that way
anonymous
  • anonymous
In this case x = 7
anonymous
  • anonymous
How does it equal 7?
anonymous
  • anonymous
then yhe answer is (x-1)4=(x+1)3 4x-4=3x+3 x=7 happy..................
anonymous
  • anonymous
So you cross multiply in the beginning? And thank you, i'm happy now!
anonymous
  • anonymous
welcome............yes,u have to cross multiply the denominators................
anonymous
  • anonymous
(x - 1)/3 = (x + 1)/4 multiply both sides by 3 x-1 = 3 (x + 1)/4 multiply both sides by 4 4 (x-1)= 3 (x + 1 Expand bracketrs 4x-4 = = 3x + 3 Subtract 3x from both sides x-4 = 3 add 4 to both sides x = 7
anonymous
  • anonymous
Thank you both of you! I understand it now! :)
anonymous
  • anonymous
welcome once again
anonymous
  • anonymous
Great, well done for persevering Irene

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