- B is the midpoint of line segment AC. If AB = 3x - 8 and BC = x + 12, find the value of x.
2 answers:
Answer: x = 10
Step-by-step explanation:
Since B is the midpoint, segment AB and segment BC are equal to each other
3x - 8 = x + 12
Subtract x on both sides.
2x - 8 = 12
Add 8 to both sides
2x = 20
Divide by 2 on both sides
x = 10
Answer:
x = 10
Step-by-step explanation:
Since B is the midpoint of segment AC, then AB = BC.
AB = BC
3x - 8 = x + 12
2x - 8 = 12
2x = 20
x = 10
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