2(a+6)=30

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Solution for 2(a+6)=30 equation: 


Simplifying
2(a + 6) = 30

Reorder the terms:
2(6 + a) = 30
(6 * 2 + a * 2) = 30
(12 + 2a) = 30

Solving
12 + 2a = 30

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 = 30 + -12

Combine like terms: 12 + -12 = 0
0 + 2a = 30 + -12
2a = 30 + -12

Combine like terms: 30 + -12 = 18
2a = 18

Divide each side by '2'.
a = 9

Simplifying
a = 9

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