Respuesta :

alliekat020403

Answer:

AB = 12

Step-by-step explanation:

4x=2x+6

Subtract 2x to get 2x=6

Divid by two to get x=3

Plug three in for x, both equations equal 12.

AB is 12

22longgabriel

Answer:

B. 3

Step-by-step explanation:

So this is an isosceles triangle. You know this because it has 2 congruent angles. This also means the 2 sides are congruent AB=BC.

4x=2x+6

subtract 2x from both sides

2x=6

divide both sides by 2

x=3

(Also can I please have Brainliest? I need it to level up)

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