20+-4+2(4-4)=16

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Solution for 20+-4+2(4-4)=16 equation: 


Simplifying
20 + -4 + 2(4 + -4) = 16

Combine like terms: 4 + -4 = 0
20 + -4 + 2(0) = 16

Multiply 2 * 0
20 + -4 + 0 = 16

Anything times zero is zero.
20 + -4 + 0 = 16

Combine like terms: 20 + -4 = 16
16 + 0 = 16

Combine like terms: 16 + 0 = 16
16 = 16

Add '-16' to each side of the equation.
16 + -16 = 16 + -16

Combine like terms: 16 + -16 = 0
0 = 16 + -16

Combine like terms: 16 + -16 = 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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