anonymous
  • anonymous
find x, give your answer in fractions: x = 5 * (2-x) + 1
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
anyone who helps me will get a new fan :)
anonymous
  • anonymous
I know the answer is 1.83333333333 but i need it in fractions
anonymous
  • anonymous
\[x=5(2-x)+1\rightarrow x=10-5x+1\]Add 5x to both sides,\[6x=10+1 \rightarrow 6x=11\]Divide both sides by 6,\[x=\frac{11}{6}\]

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anonymous
  • anonymous
do i leave it like this, or do i have to make it like 1 5/6 ?
anonymous
  • anonymous
Depends...it doesn't really matter unless the question stipulates. Mathematicians leave fractions in this form - 'improper fraction' - because we'd have to put it into this form anyway to do any further mathematics on it. If you like, you can reduce it down to \[x=\frac{11}{6}=\frac{6+5}{6}=\frac{6}{6}+\frac{5}{6}=1+\frac{5}{6}=1\frac{5}{6}\]but I wouldn't bother.
anonymous
  • anonymous
ok, thanx, so in an exam i would just leave answers in improper fractions
anonymous
  • anonymous
Just check with your teacher on what they want you to do. Like I said, UNLESS the question says to do something with it, just leave it - 11/6 and 1+5/6 are equivalent numbers.

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