-2(-1+a)=-8

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Solution for -2(-1+a)=-8 equation: 


Simplifying
-2(-1 + a) = -8
(-1 * -2 + a * -2) = -8
(2 + -2a) = -8

Solving
2 + -2a = -8

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + -2a = -8 + -2

Combine like terms: 2 + -2 = 0
0 + -2a = -8 + -2
-2a = -8 + -2

Combine like terms: -8 + -2 = -10
-2a = -10

Divide each side by '-2'.
a = 5

Simplifying
a = 5

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