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babymother [125]
3 years ago
6

1. Find the value of x. 55° (4x - 5)° O 26 O

Mathematics
1 answer:
Paha777 [63]3 years ago
7 0

Answer:

26

Step-by-step explanation:

The sum of angles in a triangle is 180 degrees, use this and set up an equation;

x + ( 4x -5 ) + 55 = 180

Simplify

x + ( 4x - 5 ) + 55 = 180

5x + 50 = 180

Inverse operations;

5x + 50 = 180

    -50     - 50

5x = 130

/5    /5

x = 26

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