x=4 - 2x=8, x=13 - x-9=4, x=6 - 3x=18, x=10 - x-7=3, x=3 - 2x+3=9, x=7 - 3x-2(x-5)=12, x=11 - x-3=8, x=9 - x+6=15, x=2 - 3x-2(x-4)=10, x=5 - 4x=20,

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