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If AC = 7x-3 and CB = 3x + 9, then find the length of AB. A 3 B 18 C 9 D 36 с B

If AC = 7x-3 and CB = 3x + 9, then find the length of AB. A 3 B 18 C 9 D 36 с B
asked 209k views
20 votes
If AC = 7x-3 and CB = 3x + 9, then find the

length of AB.
A 3
B 18
C 9
D 36
с
B

asked
User Gijs P
by
8.5k points

1 Answer

0 votes
7x-3 = 3x+9
7x = 3 x + 12
7x - 3x = 12
4x = 12
12/4x = X = 3
answered
User Marlenny
by
7.7k points
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