X+20=X-10

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Solution for X+20=X-10 equation: 


Simplifying
X + 20 = X + -10

Reorder the terms:
20 + X = X + -10

Reorder the terms:
20 + X = -10 + X

Add '-1X' to each side of the equation.
20 + X + -1X = -10 + X + -1X

Combine like terms: X + -1X = 0
20 + 0 = -10 + X + -1X
20 = -10 + X + -1X

Combine like terms: X + -1X = 0
20 = -10 + 0
20 = -10

Solving
20 = -10

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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