Help me, solve for x

x=10

Step-by-step explanation:

The two line segments should be equal, so you can set 2x-10 equal to x.

2x-10=x

-10=-x

x=10

Being thin would not help to make only some nutrients: rather, it would help for as many nutrients as possible to pass! And this is the case as the function of the capillaries is to allow the exchange of nutrients between blood and tissue - the correct answer is:
so the exchange of gases and nutrients can happen