giannapresto giannapresto

23-09-2019
Mathematics

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If DE = 5x EF = 3x and DF = 32 what is the length of DE?

If DE 5x EF 3x and DF 32 what is the length of DE class=

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thardy69634 thardy69634

23-09-2019

Answer:

15

Step-by-step explanation:

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23-09-2019

Answer:

20

Step-by-step explanation:

Combine like terms: 5x + 3x = 8x

Divide both sides by 8: 8x/4; 32/8

Solve for x: x = 4

Plug it in: DE = 5(4) = 20

Check: 5(4) + 3(4) = 32; 20 + 12 = 32

Answer Link

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