Step-by-step explanation:
4x + 16 = 2x + 34
4x - 2x = 34 - 16
2x/2 = 18/2
x = 9
2(9) + 34
= 18 + 34
= 52
52 x 2
= 104
360 - 104
= 256
256/2
= 128
Therefore angle 1 is 128°
