10x+9=10x-1

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Solution for 10x+9=10x-1 equation: 


Simplifying
10x + 9 = 10x + -1

Reorder the terms:
9 + 10x = 10x + -1

Reorder the terms:
9 + 10x = -1 + 10x

Add '-10x' to each side of the equation.
9 + 10x + -10x = -1 + 10x + -10x

Combine like terms: 10x + -10x = 0
9 + 0 = -1 + 10x + -10x
9 = -1 + 10x + -10x

Combine like terms: 10x + -10x = 0
9 = -1 + 0
9 = -1

Solving
9 = -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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