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Serggg [28]
2 years ago
5

HeeeeeeeeeeeeeelpPlease help!​

Mathematics
2 answers:
Angelina_Jolie [31]2 years ago
6 0

Answer:x=4

Step-by-step explanation:

inna [77]2 years ago
4 0

Answer:

x = 4

Step-by-step explanation:

Since it's a equilateral triangle, all sides are equal

So you can do the equation 3x - 1 = 11

You then add 1 on both sides, leaving the equation as 3x = 12

You divide both sides by 3, which leaves you with x = 4

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