The triangles are similar.

2 answers:

MrMuchimi4 years ago

7 0

25/5 = 5
and also
15/3 = 5
so
(3x+ 8)/5 = 4
3x + 8 = 20
3x = 12
x = 12/3
x = 4

answer is x = 4

Igoryamba4 years ago

6 0

3x + 8 = 4 * 5 = 20
x = 4

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