3 years ago

What does x equal? no step by step required.

Mathematics

2 answers:

SpyIntel [72]3 years ago

7 0

Answer:

x=12

Step-by-step explanation:

This is the triangle similarity theorem. First, you make a proportion:

------------------------------------------------------------------------------------

and then solve: 21=x-9

which becomes x=12

sleet_krkn [62]3 years ago

5 0

Answer:

$x=12$

Step-by-step explanation:

yes

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