Answer:
your study guide can be stuck up you know where :3
Answer:
10
Step-by-step explanation:
20-(5×2)
5×2=10
20-10=10
The question is an illustration of equivalent ratios and similar triangles.
<em>The true option is: </em>
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From the diagram, we have:
---- This is so because both lines are marked once
Also, we have:
---- This is so because both lines are marked twice
Divide both equations

Hence, the true option is: 
Read more about similar triangles at:
brainly.com/question/19739157
Hello!
We know that
(x - 10) * 3 = 2x
Distribute the 3
3x - 30 = 2x
Subtract 2x from both sides
x - 30 = 0
Add 30 to both sides
x = 30
The answer is 30
Hope this helps!