Answer:
You're correct. x= 28
Explanation:
2x - 49 + x + 90 + 55 = 180
2x - 49 + x + 145 = 180
3x - 49 + 145 = 180
3x + 96 = 180
3x + 96 - 96 = 180 - 96
3x = 84
3x/3 = 84/3
x= 28
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