2(a+2)=20

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Solution for 2(a+2)=20 equation: 


Simplifying
2(a + 2) = 20

Reorder the terms:
2(2 + a) = 20
(2 * 2 + a * 2) = 20
(4 + 2a) = 20

Solving
4 + 2a = 20

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 + 2a = 20 + -4

Combine like terms: 4 + -4 = 0
0 + 2a = 20 + -4
2a = 20 + -4

Combine like terms: 20 + -4 = 16
2a = 16

Divide each side by '2'.
a = 8

Simplifying
a = 8

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