anonymous
  • anonymous
Medal Math help Solve for x: −3|x + 7| = −12 x = 5/3, x = −19/3 x = −3, x = −11 x = −3, x = 11 No solution
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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LynFran
  • LynFran
first step divide both sides by -3...what do u get?
anonymous
  • anonymous
so divide -3 to -3
LynFran
  • LynFran
yes both sides of the equation

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More answers

anonymous
  • anonymous
1
domebotnos
  • domebotnos
Did you deduct 7 from both sides? Remember PEMDAS. First in the parentheses.
LynFran
  • LynFran
yes the -3 will cancel out on the left side of the equation...now what do u have remaining
anonymous
  • anonymous
sorry not understanding.
domebotnos
  • domebotnos
You must do what's in the parentheses first. P () E x^2 M • D / A+ S -
domebotnos
  • domebotnos
Go by that list.
domebotnos
  • domebotnos
So you must deduct 7 from 7 and 13
domebotnos
  • domebotnos
-12, my bad
anonymous
  • anonymous
x + 7
LynFran
  • LynFran
-3|x+7|=-12 |x+7|=-12/-3 |x+7|=4 (x+7)=4 and (x+7)=-4
LynFran
  • LynFran
solve for x
anonymous
  • anonymous
when i was watching a video on this its says grab the -3 and put it under the 7 so is that right
anonymous
  • anonymous
|dw:1441381048403:dw|
LynFran
  • LynFran
x+7=4 x=4-7 x=-3 x+7=-4 x=-4-7 x=-11
anonymous
  • anonymous
so -3 + 7=4
LynFran
  • LynFran
yes
anonymous
  • anonymous
so all i had to do was use |dw:1441381229494:dw| the hole time
anonymous
  • anonymous
because i have to do more of these and im trying to get the hang of it
LynFran
  • LynFran
its like saying 7-3=4
LynFran
  • LynFran
for absolute values we get 1 positive and 1 negative solution
anonymous
  • anonymous
im doing one and im following the steps but still not understanding
LynFran
  • LynFran
here the work in 1 post -3|x+7|=-12 divide both sides by -3 we get |x+7|=-12/-3 |x+7|=4 (x+7)=4 and (x+7)=-4 x+7=4 x+7=-4 x=4-7 x=-4-7 x=-3 x=-11
LynFran
  • LynFran
u can post it up ..let me help u
anonymous
  • anonymous
ok

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