Question

Find the value of x.

Answer 1

Answer:

104 degrees

Step-by-step explanation:

180-38-38= 104

Check:

104 + 38 + 38 = 180

Answer 2

Answer:

x = 100 degrees

Step-by-step explanation:

138 + x = 180

x = 180 - 138

x = 42

38 + 42 + x = 180  Add like terms

80 + x = 180          Subtract 80 from sides

x = 100

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