[2x]-1=-7

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Solution for [2x]-1=-7 equation: 


Simplifying
[2x] + -1 = -7

Reorder the terms:
-1 + [2x] = -7

Solving
-1 + [2x] = -7

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + 1 + [2x] = -7 + 1

Combine like terms: -1 + 1 = 0
0 + [2x] = -7 + 1
[2x] = -7 + 1

Combine like terms: -7 + 1 = -6
[2x] = -6

Divide each side by '2'.
x = -3

Simplifying
x = -3

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