anonymous
  • anonymous
Find x so the l is parallel to m
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
please hold for attachment
anonymous
  • anonymous
1 Attachment
amistre64
  • amistre64
cant open it, dont have microsoft office....

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amistre64
  • amistre64
you got a PrntScrn button? and a paint program?
anonymous
  • anonymous
No, Can I send via email?
amistre64
  • amistre64
PrntScrn is one of those buttons that noone ever ueses up there by the scroll lock and the sysRq keys. It takes a screenshot like this that you can open in paint and send as a picture. and no email....
1 Attachment
anonymous
  • anonymous
Ok, I will try it now
anonymous
  • anonymous
Aside: amistre are you running windows 95?
amistre64
  • amistre64
nah, its 2000 i think, maybe 98
amistre64
  • amistre64
windows xp
amistre64
  • amistre64
it should open with my openoffice software, but it aint....
amistre64
  • amistre64
got it... 7x-10 = 3x+70
amistre64
  • amistre64
when these equations are equal, you get parallel lines
anonymous
  • anonymous
ok, because I have snag it on my computer and don't know how to turn it off. Thanks
amistre64
  • amistre64
do you know how to make these equal? or rather, solve for x?
anonymous
  • anonymous
No
amistre64
  • amistre64
ok.... what we have here a an = sign meaning that the equation needs to be balanced at all times, whatever you add or take away from one side has to be done to the other too....does that make sense?
anonymous
  • anonymous
ok, so 7x-3x=? and -10+70=80... I'm lost
amistre64
  • amistre64
good...good.. that means that 4x = 80 right? now divide both sides by 4 and waht do we end up with?
amistre64
  • amistre64
if you have 7 xs and take 3 xs away, that just leaves us 4 xs...or 4x
anonymous
  • anonymous
I'm with you
amistre64
  • amistre64
now we want to get rid of that 4 that is hugging next to the x. we do that by dividing it by 4 to get: (4/4)x = 80/4 whats this equal?
anonymous
  • anonymous
20
amistre64
  • amistre64
thats correct, so 1 x = 20 and thats the answer
anonymous
  • anonymous
So you would alway divide in the third step?
amistre64
  • amistre64
i think of it this way, when you are trying to get a variable..like x.... all by itself on one side, I first send the neighbors home....and that is anything that is attached by addition or subtraction to our variable...whats next is the more intimate stuff, the ''spouse'' i call it.... you get rid of it by multiplying by its reciprocal.... by whatever that number is turned upside down.
amistre64
  • amistre64
the reciprocal of 4 is 1/4 4 times 1/4 = 4/4 = 1
amistre64
  • amistre64
the recirocal of 1/6 is 6; 1/6 times 6 = 6/6 = 1
amistre64
  • amistre64
make sense?
anonymous
  • anonymous
Cool, I think I got it:) Yes, it make sense now
amistre64
  • amistre64
good :)
anonymous
  • anonymous
Thank you sooooo very much. wow

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