-20-4x=-20-4x

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Solution for -20-4x=-20-4x equation: 


Simplifying
-20 + -4x = -20 + -4x

Add '20' to each side of the equation.
-20 + 20 + -4x = -20 + 20 + -4x

Combine like terms: -20 + 20 = 0
0 + -4x = -20 + 20 + -4x
-4x = -20 + 20 + -4x

Combine like terms: -20 + 20 = 0
-4x = 0 + -4x
-4x = -4x

Add '4x' to each side of the equation.
-4x + 4x = -4x + 4x

Combine like terms: -4x + 4x = 0
0 = -4x + 4x

Combine like terms: -4x + 4x = 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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