2(a+3)=20

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Solution for 2(a+3)=20 equation: 


Simplifying
2(a + 3) = 20

Reorder the terms:
2(3 + a) = 20
(3 * 2 + a * 2) = 20
(6 + 2a) = 20

Solving
6 + 2a = 20

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + 2a = 20 + -6

Combine like terms: 6 + -6 = 0
0 + 2a = 20 + -6
2a = 20 + -6

Combine like terms: 20 + -6 = 14
2a = 14

Divide each side by '2'.
a = 7

Simplifying
a = 7

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