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Answers (1)
6x + 3(x + 33) = (9-2)180 6x + 3x + 99 = (7)180 9x + 99 = 1,260 9x= 1,260 - 99 9x = 1,161 [divide both sides by 9]. 9x\9 = 1,161\9 x = 129. Therefore, the 6 angles will be 129 while the other 3 angles will be 162 (129 +33 = 162).
