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TCD Factory · Answer 1 · 2017-04-26T13:30:59+0000

the answer is
2 x minus 20 divided by 3 = 2x
equivalent of
(2 x -20) / 3 = 2x for solving it, (2 x -20) = 2x . (3) is sufficient

so 2 x -20 = 6x -20 = 6x - 2 x and -20 = 4x so x = -5

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