Question

Find the value of x
that makes △DEF∼△XYZ
.

Answer 1

x = 4

Explanation:

DE / XY = EF / YZ

5 / 10 = 2x-1 / 14

cross-multiply:

10(2x-1) = 14(5)

20x - 10 = 70

20x = 80

x = 4