Penjelasan :
Soal no 3(1-6x) *3= 3-18x
Soal no 4(a-4)(-6)= -6a+24
Soal no 5-(9x+8)= -9x-8
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Penjelasan :
Soal no 3
(1-6x) *3
= 3-18x
Soal no 4
(a-4)(-6)
= -6a+24
Soal no 5
-(9x+8)
= -9x-8