9k+1=9k-1

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Solution for 9k+1=9k-1 equation: 


Simplifying
9k + 1 = 9k + -1

Reorder the terms:
1 + 9k = 9k + -1

Reorder the terms:
1 + 9k = -1 + 9k

Add '-9k' to each side of the equation.
1 + 9k + -9k = -1 + 9k + -9k

Combine like terms: 9k + -9k = 0
1 + 0 = -1 + 9k + -9k
1 = -1 + 9k + -9k

Combine like terms: 9k + -9k = 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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