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Mathematics 8 Online
OpenStudy (anonymous):

AB cong. to CD, EF cong. to CD AB=4x+3, andEF=24-8x what is the value of x?

OpenStudy (anonymous):

What does congruency imply?

OpenStudy (anonymous):

they r the same

OpenStudy (anonymous):

So if AB=CD and CD=EF, we also know that AB=EF.

OpenStudy (anonymous):

yupp.

OpenStudy (anonymous):

@Icce, can you plug in the given equations?

OpenStudy (anonymous):

ya, so 4x+3 equals 24-8x ?

OpenStudy (anonymous):

Yes ...

OpenStudy (anonymous):

is the answer x=9??

OpenStudy (anonymous):

whats the answer?

OpenStudy (anonymous):

Can you show your work on how you got 9?

OpenStudy (anonymous):

can you give me the answer?

OpenStudy (anonymous):

I would rather that you solved the algebraic equation by yourself, and perhaps I can help you with corrections.

OpenStudy (anonymous):

12x+3=24

OpenStudy (anonymous):

i think this is where i am stuckk.

OpenStudy (anonymous):

12x=21 Because we subtract 3 from each side.

OpenStudy (anonymous):

ya, ok..so the answer is x=21/12

OpenStudy (anonymous):

Right. This fraction can also be simplified.

OpenStudy (anonymous):

into what?

OpenStudy (anonymous):

7/4 I divided each part of the fraction by 3.

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