Find x so the l is parallel to m

Question

anonymous · Answer

please hold for attachment

anonymous · Answer

attachment

amistre64 · Answer

cant open it, dont have microsoft office....

amistre64 · Answer

you got a PrntScrn  button?   and a paint program?

anonymous · Answer

No, Can I send via email?

amistre64 · Answer

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....

anonymous · Answer

Ok, I will try it now

anonymous · Answer

Aside: amistre are you running windows 95?

amistre64 · Answer

nah, its 2000 i think, maybe 98

amistre64 · Answer

windows xp

amistre64 · Answer

it should open with my openoffice software, but it aint....

amistre64 · Answer

got it...

7x-10 = 3x+70

amistre64 · Answer

when these equations are equal, you get parallel lines

anonymous · Answer

ok, because I have snag it on my computer and don't know how to turn it off. Thanks

amistre64 · Answer

do you know how to make these equal?  or rather, solve for x?

anonymous · Answer

No

amistre64 · Answer

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 · Answer

ok, so 7x-3x=? and -10+70=80... I'm lost

amistre64 · Answer

good...good..

that means that 

4x = 80 right?  now divide both sides by 4 and waht do we end up with?

amistre64 · Answer

if you have 7 xs and take 3 xs away, that just leaves us 4 xs...or 4x

anonymous · Answer

I'm with you

amistre64 · Answer

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 · Answer

20

amistre64 · Answer

thats correct, so 1 x = 20  and thats the answer

anonymous · Answer

So you would alway divide in the third step?

amistre64 · Answer

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 · Answer

the reciprocal of 4 is 1/4   4 times 1/4 = 4/4 = 1

amistre64 · Answer

the recirocal of 1/6 is 6;  1/6 times 6 = 6/6 = 1

amistre64 · Answer

make sense?

anonymous · Answer

Cool, I think I got it:) Yes, it make sense now

amistre64 · Answer

good :)

anonymous · Answer

Thank you sooooo very much. wow