2(a+6)=21.8

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Solution for 2(a+6)=21.8 equation: 


Simplifying
2(a + 6) = 21.8

Reorder the terms:
2(6 + a) = 21.8
(6 * 2 + a * 2) = 21.8
(12 + 2a) = 21.8

Solving
12 + 2a = 21.8

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 = 21.8 + -12

Combine like terms: 12 + -12 = 0
0 + 2a = 21.8 + -12
2a = 21.8 + -12

Combine like terms: 21.8 + -12 = 9.8
2a = 9.8

Divide each side by '2'.
a = 4.9

Simplifying
a = 4.9

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