milolove
milolove
15-11-2020
Mathematics
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I just need go with the one I selected
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rohleom
rohleom
15-11-2020
x + y + 2x = 180
180 = x + 60 + 2x
180 = 3x + 60
120 = 3x
x = 40
3x + y = 180
120 + y = 180
y = 60
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