Question

Geometry

Point B is the midpoint of line segment AC. Line segment AB = 3x and line segment AC = 5x + 21
What is the value of x?
Can I please get an answer ASAP?

Answer 1

Point B is the midpoint of line segment AC

so 2 * (AB) = AC

2(3x) = 5x + 21

6x = 5x + 21

x = 21