Tlng kak,nomer 1 gimn?tlng dibantu ya..
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Tlng kak,nomer 1 gimn?tlng dibantu ya..
1 Jawaban
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1. Jawaban zalibasya
180 = 46 + a + 29 + 5a + 15
-a + -5a = 46 + 29 + 15 - 180
-6a = -90
a = -90/-6
a = 15