–3(4 –2x) + 7(x – 2)=3(2x-4) + 7(x – 2)=6(x-2)+7(x-2)=13(x-2) sau 13x-26
3(4 –2x) – 7(x – 2)= -3(2x-4) - 7(x – 2)= -6(x-2)-7(x-2)= -13(x-2) sau 26-13x
–3(4+2x) + 7(x–2)=–6(2+x) + 7(x+2-4)=–6(x+2) + 7(x+2)-28=x+2-28=x-26
–3(4 + 2x) + 7(x + 2)=-6(x + 2)+7(x + 2)=x+2
