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defon
3 years ago
10

What is the value of x 15 points

Mathematics
2 answers:
harina [27]3 years ago
6 0

4x+ 20 = 3x + 55 (vertical angles)

4x - 3x = 55 - 20

        x = 35

Len [333]3 years ago
5 0

The two lines don't change direction when they intersect, so that means the two angle measures are equivalent.

You could write 4x + 20 = 3x + 55.

To make this easier, you can move the numbers with variables to one side of the equation, and the numbers without variables to the other. Know that when a number is moved to the other side, it becomes the opposite of what it currently is.

4x + 20 = 3x + 55

--> 4x - 3x + 20 = 55

---> 4x - 3x = 55 - 20

----> x = 35

The value of x is 35.

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