Answer:
Where is the numbers dude? LOL
Step-by-step explanation:
Answer:

Step-by-step explanation:
According to the side-splitter theorem, the two sides of the triangle is divided proportionally if the line that intersects both sides is parallel to the third side of the ∆.
Therefore, based on this theorem, we would have the following:

Solve for x

Multiply both sides by 21



twice the number is multiplying
so it would be 2c then add 4 more
so 2c+4 is the correct equation.
Answer is B