-2(2-1)=2-4

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Solution for -2(2-1)=2-4 equation: 


Simplifying
-2(2 + -1) = 2 + -4

Combine like terms: 2 + -1 = 1
-2(1) = 2 + -4

Multiply -2 * 1
-2 = 2 + -4

Combine like terms: 2 + -4 = -2
-2 = -2

Add '2' to each side of the equation.
-2 + 2 = -2 + 2

Combine like terms: -2 + 2 = 0
0 = -2 + 2

Combine like terms: -2 + 2 = 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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