Answer:
Step-by-step explanation:
360 = x - 17 + 2x - 67 + 3x
360 = 6x - 84
360 + 84 = 6x
444 = 6x
x = 444 : 6
x = 74°
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check
2 * 74 - 67 + 74 - 17 + 3 * 74 = 360°
the answer is good
