2x-9x=-7x

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Solution for 2x-9x=-7x equation: 


Simplifying
2x + -9x = -7x

Combine like terms: 2x + -9x = -7x
-7x = -7x

Add '7x' to each side of the equation.
-7x + 7x = -7x + 7x

Combine like terms: -7x + 7x = 0
0 = -7x + 7x

Combine like terms: -7x + 7x = 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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