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

Question

asked Jan 19, 2020 37.5k views

2 Answers

Vincente · Answer 1 · 2020-01-20T13:18:17+0000

Answer:

20

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