gabbyalicorn
  • gabbyalicorn
What is the value of x?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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gabbyalicorn
  • gabbyalicorn
gabbyalicorn
  • gabbyalicorn
So, let me try this... |dw:1442025664039:dw|
gabbyalicorn
  • gabbyalicorn
I feel like I only did it on one side.

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More answers

Nnesha
  • Nnesha
how would you cancel out -8 from left side ? you should move all the numbers to the right side to solve for x
gabbyalicorn
  • gabbyalicorn
I don't know I was just trying to do it the way @RigelCanopus show me. D:
Nnesha
  • Nnesha
oh for that question 6 was positive now to cancel out -8 from left side you should apply the opposite of subtraction
gabbyalicorn
  • gabbyalicorn
showed*
gabbyalicorn
  • gabbyalicorn
-8 + 8 ?
Nnesha
  • Nnesha
yes right add 8 both sides
gabbyalicorn
  • gabbyalicorn
-16?
Nnesha
  • Nnesha
|dw:1442025848942:dw|
gabbyalicorn
  • gabbyalicorn
|dw:1442025897208:dw|
Nnesha
  • Nnesha
yes right |dw:1442025923643:dw|
Nnesha
  • Nnesha
how how would you cancel out 4 from left side ? remember x is dividing by 4 so you should apply opposite of division
gabbyalicorn
  • gabbyalicorn
|dw:1442026022881:dw|
Nnesha
  • Nnesha
what's that 4th root ? o.O
Nnesha
  • Nnesha
what is opposite of division ?
gabbyalicorn
  • gabbyalicorn
oh, so sorry! multiplication. so 4 x 4?
Nnesha
  • Nnesha
yes right multiply both sides by 4 left you should multiply 4 times x/4
Nnesha
  • Nnesha
left side*
gabbyalicorn
  • gabbyalicorn
Is the left side 20?
Nnesha
  • Nnesha
|dw:1442026136715:dw|
gabbyalicorn
  • gabbyalicorn
Ah, I see. |dw:1442026173485:dw|
Nnesha
  • Nnesha
nope why we multiplied both sides by 4 ? so we cancel out 4 from left side right ?
Nnesha
  • Nnesha
\[4 \times \frac{ x }{ 4}=\frac{ 4x }{ 4 }= ?\]
gabbyalicorn
  • gabbyalicorn
Hmm, I'm a little confuse on how figure to the problem...
Nnesha
  • Nnesha
4 times x/4 is same as 4/4 times x
gabbyalicorn
  • gabbyalicorn
oh. |dw:1442026398432:dw|
Nnesha
  • Nnesha
yes right can't u cancel out something ?
gabbyalicorn
  • gabbyalicorn
|dw:1442026442236:dw|
gabbyalicorn
  • gabbyalicorn
Sp, we are left with 4x?
Nnesha
  • Nnesha
|dw:1442026436970:dw|
gabbyalicorn
  • gabbyalicorn
16?
Nnesha
  • Nnesha
like i said we should multiply both sides by 4 so we can cancel out 4 from left side
Nnesha
  • Nnesha
4/4 = ?
gabbyalicorn
  • gabbyalicorn
1? the / is confusing me
Nnesha
  • Nnesha
\[4 \times \frac{ x }{ 4 }= \frac{ \color{Red}{4}x }{ \color{ReD}{4} }\] 4 times x/4 is same as 4/4 times x and 4/4 isn't 16
gabbyalicorn
  • gabbyalicorn
what does the / represent?
Nnesha
  • Nnesha
here is an example \[\huge\rm \cancel{3} \times \frac{ 2 }{\cancel{ 3} }\]
Nnesha
  • Nnesha
division (fraction )
gabbyalicorn
  • gabbyalicorn
ok.
Nnesha
  • Nnesha
so \[\huge\rm \color{ReD}{\cancel{4}} \times \frac{ x }{ \cancel{4}}=20 \times \color{ReD}{4}\] when we multiply both sides by 4 at left side 4 would cancel each ohter out
gabbyalicorn
  • gabbyalicorn
20 x 4= 80
gabbyalicorn
  • gabbyalicorn
?
Nnesha
  • Nnesha
yes right
gabbyalicorn
  • gabbyalicorn
:O :D :) Thank you!
Nnesha
  • Nnesha
np

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