anonymous
  • anonymous
Solve the equation the square root of the quantity x plus 4 minus 3 equals 1 for the variable. Show each step of your solution process.
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
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freckles
  • freckles
try isolating the square root part by first adding the 3 on both sides
freckles
  • freckles
you should then be ready to square both sides in order to cancel out the square root part

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marihelenh
  • marihelenh
\[\left( \sqrt{x+4} \right)^{2}=\left( 4 \right)^{2}\]
anonymous
  • anonymous
so the answer would be x=0?
anonymous
  • anonymous
marihelenh
  • marihelenh
If you were to do the previous equation, you would get \[x+4=16\]
marihelenh
  • marihelenh
Then just subtract across and get x and finish with a check.
anonymous
  • anonymous
oh yes i forgot to square it thanks
anonymous
  • anonymous
so x=12
marihelenh
  • marihelenh
Yep! And it checks.
anonymous
  • anonymous
thank you @marihelenh

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