-4a-4a=-40

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Solution for -4a-4a=-40 equation: 


Simplifying
-4a + -4a = -40

Combine like terms: -4a + -4a = -8a
-8a = -40

Solving
-8a = -40

Solving for variable 'a'.

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

Divide each side by '-8'.
a = 5

Simplifying
a = 5

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