20+x=90+x

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Solution for 20+x=90+x equation: 


Simplifying
20 + x = 90 + x

Add '-1x' to each side of the equation.
20 + x + -1x = 90 + x + -1x

Combine like terms: x + -1x = 0
20 + 0 = 90 + x + -1x
20 = 90 + x + -1x

Combine like terms: x + -1x = 0
20 = 90 + 0
20 = 90

Solving
20 = 90

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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