2(a+6)=20

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Solution for 2(a+6)=20 equation: 


Simplifying
2(a + 6) = 20

Reorder the terms:
2(6 + a) = 20
(6 * 2 + a * 2) = 20
(12 + 2a) = 20

Solving
12 + 2a = 20

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + 2a = 20 + -12

Combine like terms: 12 + -12 = 0
0 + 2a = 20 + -12
2a = 20 + -12

Combine like terms: 20 + -12 = 8
2a = 8

Divide each side by '2'.
a = 4

Simplifying
a = 4

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