9x+9x=18x

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Solution for 9x+9x=18x equation: 


Simplifying
9x + 9x = 18x

Combine like terms: 9x + 9x = 18x
18x = 18x

Add '-18x' to each side of the equation.
18x + -18x = 18x + -18x

Combine like terms: 18x + -18x = 0
0 = 18x + -18x

Combine like terms: 18x + -18x = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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