-2*2+4=

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Solution for -2*2+4= equation: 


Simplifying
-2 * 2 + 4 = 0

Multiply -2 * 2
-4 + 4 = 0

Combine like terms: -4 + 4 = 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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