Answer:
85°
Step-by-step explanation:
x =?
x+10
supplementary = 180°
x + (x +10) = 180
2x + 10 = 180
2x = 170
x = 85
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Answers & Comments
Answer:
85°
Step-by-step explanation:
x =?
x+10
supplementary = 180°
x + (x +10) = 180
2x + 10 = 180
2x = 170
x = 85