This equation is not correct because it leads to an inconsistency.
If we substitute the value of x = 4 into the equation 2x - 1 = -3, we get:
2(4) - 1 = -3
8 - 1 = -3
7 = -3
As 7 is not equal to -3, the equation has no solution.
4=[2x-1]=-3
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