3 years ago

I only need help with x

Mathematics

1 answer:

Valentin [98]3 years ago

3 0

Answer:

x = 7

Step-by-step explanation:

The triangle on the right is an equilateral triangle as the three interior angles are of the same degree, thus

5y - 4 = 3x - 5

Since we know that y= 4,

20 - 4 = 3x - 5

x = 7

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