anonymous
  • anonymous
solve for x (WILL FAN AND MEDAL!!!) -4x(+16)=116
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Photon336
  • Photon336
\[-4x+16=116\] this is what you have right? @carsonce
anonymous
  • anonymous
yep
Photon336
  • Photon336
Subtract 16 from both sides -4x+16 = 116-16 -16 This is what we get. -4x = 100 -4 -4 now divide both sides by -4 x = 100/-4 = -25 x = -25

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anonymous
  • anonymous
I just need to know how to identify the solution
anonymous
  • anonymous
Oh wow thank you
Photon336
  • Photon336
@carsonce please let me know if there's something you don't get
Photon336
  • Photon336
we can check this too watch
Photon336
  • Photon336
-4(-25) = 100 + 16 = 116 116 = 116 this is how we check
anonymous
  • anonymous
Ohhh that makes sense
Photon336
  • Photon336
if you need any more help let me know
anonymous
  • anonymous
How would you do this? The perimeter of a rectangular photo is 72 cm. The length is twice the width. What are the length and width of the photo?
anonymous
  • anonymous
@Photon336
Photon336
  • Photon336
let's translate this the length is TWICE the width So the length is 2x and the width is x Does this make sense? |dw:1444170894921:dw|
Photon336
  • Photon336
@carsonce
anonymous
  • anonymous
yes
Photon336
  • Photon336
so let's work this out perimeter means that we must add up all the sides
anonymous
  • anonymous
How would I do that?
Photon336
  • Photon336
we add up all the sides
Photon336
  • Photon336
2x+2x+x+x = 72 and set them equal to 72 because perimeter means to sum up all the sides.
anonymous
  • anonymous
Oh ok
Photon336
  • Photon336
follow?
anonymous
  • anonymous
Yep
Photon336
  • Photon336
Now 6x = 72 6 6 x = 12
Photon336
  • Photon336
2(12) = 24 that's the length and 12 is the width does this make sense?
anonymous
  • anonymous
Yeah thank you so much
Photon336
  • Photon336
absolutely if you need anything let me know take care

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