Answer is 28 degree give me full explanation
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Answer:
28°
Step-by-step explanation:
(2x+10°)+(3x-10°)+40°= 180° (Linear pair angles' sum is 180°)
2x+10°+3x-10°+40°=180°
5x+40°= 180°
5x= 180°-40°
5x= 140°
x= 140°/5
x= 28°
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