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Verified answer
Saling pelurus3a+15 +2a-10=180
5a+5=180
5a= 175
a= 35
Nilai a+8= 35+8=43
Jawaban C
3a + 2a +15 - 10 = 180
5a + 5 = 180
5a = 180 - 5
a = 175 : 5
a = 35
a + 8 = 35 + 8
= 43