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3x - 1 = 2(x+3) + 3x
3x-1 = 2x+6+3x
3x-3x-2x = 6+1
-2x = 7 --> x = -7/2 (A)
2.
-3x/2 + 2x/5 = 7(5+x) + 2x/5
(-15x+4x)/10 = (35+7x) + 2x/5
(-15x+4x)/10 = (175+35x+2x)/5
-11x/10 = (175+37x)/5
-55x = 1750+370x
370x+55x = -1750
425x = -1750 --> 425x + 1750 = 0 --> 17x + 70 = 0 (C)
3. aku nggak dapet jawabannya, malahan koma hasilnya
2.c
3.kalo gak salah jawabannya b