Respuesta:
3(x-2)+12=30 = ×30
_15_
3(2x-1)=2(5x+6) × = 4
_16_
5x+3=8x-7 × = 3
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Respuesta:
3(x-2)+12=30 = ×30
_15_
3(2x-1)=2(5x+6) × = 4
_16_
5x+3=8x-7 × = 3