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Sagot :
Step-by-step explanation:
question 1) equal angels
8+19)=(9x+9)
x=10°
8x+19=99°
question 2) equal angels
(3x-26)=2x
x=26°
3x-26= 52°
question 3) different angels
180-(x+10) = x+50
180-x-10=x+50
170-x=x+50
2x=120
x= 60°
x+10= 70°
x+50=120°
question 4) equal angels
3x-31=x+59
2x=90
x=45°
x+59=104°
question 5) equal angels
6x+3=7x-12
x=15°
6x+3=93°
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