2(a-1)-2(1-a)=16

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Solution for 2(a-1)-2(1-a)=16 equation: 


Simplifying
2(a + -1) + -2(1 + -1a) = 16

Reorder the terms:
2(-1 + a) + -2(1 + -1a) = 16
(-1 * 2 + a * 2) + -2(1 + -1a) = 16
(-2 + 2a) + -2(1 + -1a) = 16
-2 + 2a + (1 * -2 + -1a * -2) = 16
-2 + 2a + (-2 + 2a) = 16

Reorder the terms:
-2 + -2 + 2a + 2a = 16

Combine like terms: -2 + -2 = -4
-4 + 2a + 2a = 16

Combine like terms: 2a + 2a = 4a
-4 + 4a = 16

Solving
-4 + 4a = 16

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + 4a = 16 + 4

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

Combine like terms: 16 + 4 = 20
4a = 20

Divide each side by '4'.
a = 5

Simplifying
a = 5

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