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Rom4ik [11]
2 years ago
6

Some one please help me ASAP

Mathematics
1 answer:
Studentka2010 [4]2 years ago
5 0

Answer:

The answer is 4

Step-by-step explanation:

The angles in a triangle add up to 180 degrees.

You have two angles given 90(right angle) and 57.

Add them to get 147 then subtract from 180.

180 - 147 = 33

Set 33 equal to the expression

33 = 4x + 17

33- 17 = 4x

16 = 4x

4 = x

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