2x-12
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5x - 10 = 3x + 2 5x - 3x = 2 + 10 2x = 12 x = 12/2 x = 6
5x+3 = 3x+11 5x-3x = 11-3 2x = 8 x = 4
6x - 3x = 5x - 10x + 12 6x - 3x - 5x + 10x = 12 8x = 12 8x/8 = 12/8 x = 12/8 = 3/2 x = 1.5
5x+49 = 8x+13 49-13 = 8x-5x 36 = 3x x = 12