Answer:
22⁰
Step-by-step explanation:
By angle sum property :
x + 127 + 31 = 180⁰
x = 180 - 158
x = 22⁰
[tex]x = 22 \: \: degrees[/tex]
[tex]127 + 31 + x = 180 \\ 158 + x = 180 \\ x = 180 - 158 \\ x = 22\: \: degrees[/tex]
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