RS=12,ST=2x,RT=34

I don't see a question. If these are the sides of a triangle and you are looking for the value of x, one angle must also be provided.

To solve for the value of x in the given equation RS = 12, ST = 2x, and RT = 34, we need to use the information provided and apply some principles of geometry.

First, let's analyze the given equation:

RS = 12

This equation tells us that the length of line segment RS is equal to 12 units.

Next, we have:

ST = 2x

This equation indicates that the length of line segment ST is equal to twice the value of x.

Finally, we know that:

RT = 34

This equation states that the length of line segment RT is equal to 34 units.

To find the value of x, we need to use the transitive property of equality. Since line segment RS is connected to line segments RT and ST, we can set up the following equation:

RS + ST = RT

Substituting the given values:

12 + 2x = 34

Now, we can solve for x:

12 + 2x = 34
2x = 34 - 12
2x = 22
x = 22 / 2
x = 11

Therefore, the value of x in the equation RS = 12, ST = 2x, and RT = 34 is 11.