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Mathematics 15 Online
deathbed15:

If ED = 10 and DB = 3x – 8, what is the length of EB?

deathbed15:

1 attachment
darkknight:

so these two are equal to each other, so a first step can be to set 10 equal to 3x-8. Once we find x, we can add 10 and 3x-8 together to find EB

darkknight:

so if 10 = 3x-8, what is x?

deathbed15:

x=6

darkknight:

good job, so that means DB is 3(6)-8 and ED is 10, so can you add the value you got for DB to ED to get EB?

deathbed15:

so the answer will be 10

deathbed15:

not 10 i meant 20 my bad

darkknight:

No, we have to find the value of EB, which is ED+DB, or 3(6)-8 + 10

darkknight:

Yeah, you got it, correct. Have a good day.

deathbed15:

u too

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