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adrianna
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for anyone still wondering: (4y +7) + (9y + 4) = 180 4y + 7 + 9y + 4 = 180 13y + 11 = 180 (13y + 11) - 11 = 180 - 11 13y = 169 13y/13 = 169/13 y = 13 9 (13) + 4 m = 121 have a great day!
