Answer:
x= 33
Step-by-step explanation:
The sum of the angles on a straight line is 180°. This is abbreviated as 'adj. ∠s on a str. line'.
104° +x° +(x +10)°= 180°
2x° +114°= 180°
2x°= 180° -114°
2x°= 66°
Divide both sides by 2:
x°= 66° ÷2
x°= 33°
x= 33
