→ 4(x+3)=x-2(x-1) → 4x+12=x-2x+2 → 5x=-10 → x=?
→ 4x-12=3(3-x) → 4x-12=9-3x → 7x=21 → x=?
→ 3(7x+1)=5(4x+1) → 21x+3=20x+5 → x=?
→ 3(3x-5)-2(2x-1)=12 → 9x-15-4x+2=12 → 5x=25 → x=?
→ 3(3x+4)-2(x-4)=6 → 9x+12-2x+8=6 → 7x=-14 → x=?
→ 2(2x-5)-(x-2)=4 → 4x-10-x+2=4 → 3x=12 → x=?
→ 3(x-1)+2(2x+1)=-(3x+1) → 3x-3+4x+2=-3x-1 → 10x=0 → x=?
→ 8(x-2)=6+3(3x-4) → 8x-16=6+9x-12 → -x=10 → x=?