Jravenv
  • Jravenv
Help me with this problem?
Mathematics
katieb
  • katieb
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Jravenv
  • Jravenv
Vocaloid
  • Vocaloid
multiply both sides by 4 first, what do you get?
Jravenv
  • Jravenv
12

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More answers

Jravenv
  • Jravenv
and I don't know what the other would be
anonymous
  • anonymous
COMEBACK!!!!!!!!!!!
Vocaloid
  • Vocaloid
what happens when you multiply (y/4) times 4?
Jravenv
  • Jravenv
you get y right?
Vocaloid
  • Vocaloid
yes so, what do you get when you multiply (y-1)/2 by 4?
Jravenv
  • Jravenv
-2(y-1)?
Vocaloid
  • Vocaloid
not quite, check your sign
Jravenv
  • Jravenv
Which one?
Vocaloid
  • Vocaloid
the first sign
Jravenv
  • Jravenv
2(y-1)
Vocaloid
  • Vocaloid
correct! so put them together: y - 2(y-1), now distribute the 2
Jravenv
  • Jravenv
y-2y-1
Vocaloid
  • Vocaloid
not quite, check the last sign
Jravenv
  • Jravenv
y-2y-3?
Vocaloid
  • Vocaloid
also, check the last number
Jravenv
  • Jravenv
y-2y-2
Jravenv
  • Jravenv
Sorry my brain is mathed out xD
Vocaloid
  • Vocaloid
check the last sign what is (-2)*(-1)?
Jravenv
  • Jravenv
2
Jravenv
  • Jravenv
Ohh so you want it like y-2y+2?
Vocaloid
  • Vocaloid
yes, y-2y+2 the sign is important! anyway, you can rewrite y-2y+2 as -y+2
Jravenv
  • Jravenv
-y+2 okay what's next?
Vocaloid
  • Vocaloid
|dw:1433555133832:dw|
Vocaloid
  • Vocaloid
what happens when you add y to both sides and subtract 2 from both sides?
Jravenv
  • Jravenv
Y> 10 ?
Vocaloid
  • Vocaloid
now look at your answer choices....
Vocaloid
  • Vocaloid
also, check which direction your > sign is pointing
Jravenv
  • Jravenv
That's an answer! Thank you! You're my favorite, you're one of the few who actually explains and lets me do the work at the same time thank you
Vocaloid
  • Vocaloid
your answer is wrong, check which way the < sign is pointing
Jravenv
  • Jravenv
So Y < 10?
Vocaloid
  • Vocaloid
yes, do you understand why?
Vocaloid
  • Vocaloid
also, check your sign on 10
Jravenv
  • Jravenv
Because when you multiply a negative you have to swap the directions. so it's y<-10
Jravenv
  • Jravenv
right?
Vocaloid
  • Vocaloid
|dw:1433555456148:dw|
Jravenv
  • Jravenv
Oh, okay, thank you!

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