19-x=20-x

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Solution for 19-x=20-x equation: 


Simplifying
19 + -1x = 20 + -1x

Add 'x' to each side of the equation.
19 + -1x + x = 20 + -1x + x

Combine like terms: -1x + x = 0
19 + 0 = 20 + -1x + x
19 = 20 + -1x + x

Combine like terms: -1x + x = 0
19 = 20 + 0
19 = 20

Solving
19 = 20

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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