x-1+x+1=168

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Solution for x-1+x+1=168 equation: 


Simplifying
x + -1 + x + 1 = 168

Reorder the terms:
-1 + 1 + x + x = 168

Combine like terms: -1 + 1 = 0
0 + x + x = 168
x + x = 168

Combine like terms: x + x = 2x
2x = 168

Solving
2x = 168

Solving for variable 'x'.

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

Divide each side by '2'.
x = 84

Simplifying
x = 84

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