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Answered by
1
Answer:
2x+60+3x-40=180
5x+20=180
5x=180-20
5x=160
x=32
Explanation:
the option is 1
hope this helps....
Answered by
2
Answer:
32
Explanation:
2x + 60° + 3x + 40° = 180° ( linear pair axiom)
5x + 20° = 180°
5x = 180° - 20
5x = 160°
x = 160° ÷5
x = 32
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