anonymous
  • anonymous
What is the value of z in the equation 5z − 9 = 36? 4 5 6 9
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Vocaloid
  • Vocaloid
add 9 to both sides first, and then tell me what you get
anonymous
  • anonymous
wait wht
Vocaloid
  • Vocaloid
left side is 5x - 9 right side is 36 add 9 to the left side, add 9 to the right side, and then tell me what you get

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Jadeishere
  • Jadeishere
You need to isolate the variable, in order to do that, you take -9 away from each sides, so to make 0 you add -9 + 9, then add 9 to the right side of the equation because whatever you do to one side, you do to the other >.<
anonymous
  • anonymous
I had got 14 and 45
Jadeishere
  • Jadeishere
Okay, so when you add 9 to 36, you get 45 so now you have 5z = 45 in order to COMPLETELY isolate the variable you need to divide both sides by 5 because of \(5\) (z) so now you have z = 45/5
anonymous
  • anonymous
\[5z-9=36\\5z=36+9\\5z=45\\z=\frac{ 45 }{ 9 }\\z=5\ ans\]
Jadeishere
  • Jadeishere
Um, wrong @enione
anonymous
  • anonymous
Just plug in the numbers to z and see if it equals to the answer
Jadeishere
  • Jadeishere
\(45/5 = 9\)
anonymous
  • anonymous
oh! no, \[z= 36\div 5\\z=9 Ans\]
anonymous
  • anonymous
thers no 9 for my answer choice tho
Jadeishere
  • Jadeishere
Yesh there is
anonymous
  • anonymous
lol nvm I seen it know I was looking at a different problem its they same way
anonymous
  • anonymous
ha! ha! i'm drunk.

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