a+1=a-1

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Solution for a+1=a-1 equation: 


Simplifying
a + 1 = a + -1

Reorder the terms:
1 + a = a + -1

Reorder the terms:
1 + a = -1 + a

Add '-1a' to each side of the equation.
1 + a + -1a = -1 + a + -1a

Combine like terms: a + -1a = 0
1 + 0 = -1 + a + -1a
1 = -1 + a + -1a

Combine like terms: a + -1a = 0
1 = -1 + 0
1 = -1

Solving
1 = -1

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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