[2s-1]=[-7-s]

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


Simplifying
[2s + -1] = [-7 + -1s]

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

Remove brackets around [-1 + 2s]
-1 + 2s = [-7 + -1s]

Remove brackets around [-7 + -1s]
-1 + 2s = -7 + -1s

Solving
-1 + 2s = -7 + -1s

Solving for variable 's'.

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

Add 's' to each side of the equation.
-1 + 2s + s = -7 + -1s + s

Combine like terms: 2s + s = 3s
-1 + 3s = -7 + -1s + s

Combine like terms: -1s + s = 0
-1 + 3s = -7 + 0
-1 + 3s = -7

Add '1' to each side of the equation.
-1 + 1 + 3s = -7 + 1

Combine like terms: -1 + 1 = 0
0 + 3s = -7 + 1
3s = -7 + 1

Combine like terms: -7 + 1 = -6
3s = -6

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

Simplifying
s = -2

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