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|dw:1441925591540:dw|

Is Line EC and KL the same length?

There Is No K .

Those Are Arrows.

edc is on the same lame

OK. sorry. But is the line below the same length as the one above it?

Well The Top One Says 8 . & The Bottom Says 13.

Long As I Dont Get Confused Im Fine .
Matter Of Fact Will A Picture Work ?

And that D is the midpoint..

Yeah sure :)

k

OK so both lines KL and EC are of same length 13 and ED is 8. But we need to find DC

But you answer is correct....

is it ?

Yeah it is.. I'm guessing you need help with number 5?

yes lol

ok so we could make an equation for it. You know how to do that?

x+10=2x+19

Almost. you have to include the 9 also

how ?

x + 10 + 9 = 2x + 19

yes

OK so then now you can solve it?

Ok.

Do I Add 2x To Both Sides

No. What you do is take the x from the right side and bring it to the left side

|dw:1441927318228:dw|

Oh That Makes Sense.

OKay. Now you do the rest

Now Can I Sub . 2x

2x + -1x =1x
19+1x=10+9

2x + 19 = x + 10+ 9

when we move all x terms to left side and terms without x to right side we get
2x - x = 10 + 9 - 19

Understand?