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-2×-10 =3×-16
-2×-3× = -16+10
-5× = -6
× =6/5 = 1,2
2. ( semua dikali 5 kecuali yg didalam kurung agar jadi bilangan biasa)
-10×(3x+4)=-35+15×
-30×"-40× = -35+15×
-30×"-55×=-35
3. (dikali 12 dulu)
18(4x-6)-9=4(×+6)
72×-108-9=4×+24
72×-4×-117-24=0
68×-141=0
atau 68x =14+1
×= 2,07
semoga membantu :)