2x=6 - x=3, x+1=3 - x= 2, 3x=12 - x= 4, x-2=3 - x=5, x+5=15 - x=10, x+4= 13 - x=9, 3x=36 - x=12, x-1=1 - x=2, 3x=45 - x=15, x+2=9 - x=7,

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