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valina [46]
4 years ago
14

If U is the midpoint of CB, CU=18, and CB= 2x-10, then find x

Mathematics
2 answers:
Inessa [10]4 years ago
5 0

Answer:

x = 23

Step-by-step explanation:

CU + UB = CB

Since U is the midpoint that means CU = UB = 18

18+ 18 = 2x-10

36 = 2x-10

Add 10 to each side

36+10 = 2x

46 =2x

Divide by 2

23 = x

ArbitrLikvidat [17]4 years ago
5 0

Answer:

<h3>x = 23</h3>

Step-by-step explanation:

CB/2 = CU

CB = (2)CU

2x - 10 = (2)18

2x - 10 = 36

Add 10 on both sides.

2x = 46

Divide both sides by 2.

x = 23

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