Gokuporter
  • Gokuporter
just checking if this is right.
Mathematics
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
Gokuporter
  • Gokuporter
|dw:1449735632440:dw|
MD152727
  • MD152727
Here
1 Attachment
Gokuporter
  • Gokuporter
why didn't you cross multiply??

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

Gokuporter
  • Gokuporter
@MD152727
MD152727
  • MD152727
I did it in my own way, ethier is fine
UsukiDoll
  • UsukiDoll
there are more than one ways to solve an equation as long as you're not breaking the math rules
MD152727
  • MD152727
Yep
UsukiDoll
  • UsukiDoll
you can either split the equation up on the right hand side and then simplify...continue from there or cross multiply ... though in this case I think cross multiply may be easier XD
UsukiDoll
  • UsukiDoll
but I see a mistake 7 x 18 = 126
UsukiDoll
  • UsukiDoll
and another one... a distribution error
Gokuporter
  • Gokuporter
ohh i see what i did wrong now
UsukiDoll
  • UsukiDoll
|dw:1449736419019:dw|
UsukiDoll
  • UsukiDoll
I will use the equation tool \[\huge 8(x+4) = 7 \cdot 18\]
UsukiDoll
  • UsukiDoll
\[\huge 8 \cdot x + 8 \cdot 4 = 126\] \[\huge 8 x + 32 = 126\] now subtract 32 on both sides and divide both sides by 8
UsukiDoll
  • UsukiDoll
\[\huge 8 x + 32-32 = 126-32\] \[\huge 8 x = 94\] \[\huge x = \frac{94}{8}\] we can reduce this fraction further because both are divisible by 2 \[\huge x = \frac{47}{4}\]
UsukiDoll
  • UsukiDoll
pfttt to check this will require some work on the right hand side of the equation.. this is gonna be a killer XD
UsukiDoll
  • UsukiDoll
|dw:1449736759342:dw|
UsukiDoll
  • UsukiDoll
|dw:1449736808780:dw|
UsukiDoll
  • UsukiDoll
then we got to flip the second fraction which is that 18 because we can't divide fraction s
UsukiDoll
  • UsukiDoll
|dw:1449736867843:dw| now we can reduce this fraction
UsukiDoll
  • UsukiDoll
because both numbers are divisible by 9, thank goodness this is over! we got 7/8!!!!|dw:1449736928684:dw|
Gokuporter
  • Gokuporter
Thank you for your help i understand how to do it now
UsukiDoll
  • UsukiDoll
:) my drawings don't look that messed up do they? I kind of became sloppy when I did the check
Gokuporter
  • Gokuporter
i can read them fine so no
anonymous
  • anonymous
X= 7/8 - 4/18 then do the rest
UsukiDoll
  • UsukiDoll
hmm I'm curious at something... that technique from earlier. I'm gonna do it on paint and post it here. because should the fraction be split up it's x/18+4/18 which the poster forgot to do.
Gokuporter
  • Gokuporter
idk i wouldn't split it up
anonymous
  • anonymous
x=7/8 - 4/18 x=(63-16)/72 x=47/72
UsukiDoll
  • UsukiDoll
the denominator has just a single digit.. so it can be split. and even wolfram agrees with me. See attachment with the stuff I borrowed from another user shortly. In the meantime http://www.wolframalpha.com/input/?i=solve+7%2F8+%3D+%28x%2B4%29%2F18
UsukiDoll
  • UsukiDoll
1 Attachment
UsukiDoll
  • UsukiDoll
so although the other user split the fraction correctly, he dropped the 18 so the fraction should have been x/18 , not x
UsukiDoll
  • UsukiDoll
by poster in an earlier comment I meant the user with the owl... there was an 18 that was dropped

Looking for something else?

Not the answer you are looking for? Search for more explanations.