-4x-4x=21-5

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Solution for -4x-4x=21-5 equation: 


Simplifying
-4x + -4x = 21 + -5

Combine like terms: -4x + -4x = -8x
-8x = 21 + -5

Combine like terms: 21 + -5 = 16
-8x = 16

Solving
-8x = 16

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '-8'.
x = -2

Simplifying
x = -2

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