It is 2.
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4x-1=2x+1
(2x + 1)(2x + 1) or (2x + 1)2 so x = -0.5
(2x + 1)(2x + 1) or (2x + 1)2
(4 + 2x) - (-2x + 1) = 13 + 6 4 + 2x + 2x -1 = 19 4x +3 = 19 4x = 19 - 3 4x = 16 therefore x = 16/4 x = 4
If: 1-2x-5 = 4x+2 Then: -2x-4x = 2-1+5 And: -6x = 6 So: x = -1