149x+256=71x-44
121x-54=91-34x
45x+55=55+46x
541-5x=64-54x
455x-214=4x+546
654x-845=872-241x
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149x+256=71x-44
121x-54=91-34x
45x+55=55+46x
541-5x=64-54x
455x-214=4x+546
654x-845=872-241x