-20=-4(2)-6(2)

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Solution for -20=-4(2)-6(2) equation: 


Simplifying
-20 = -4(2) + -6(2)

Multiply -4 * 2
-20 = -8 + -6(2)

Multiply -6 * 2
-20 = -8 + -12

Combine like terms: -8 + -12 = -20
-20 = -20

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

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

Combine like terms: -20 + 20 = 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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