2[A+2]=19.2

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Solution for 2[A+2]=19.2 equation: 


Simplifying
2[A + 2] = 19.2

Reorder the terms:
2[2 + A] = 19.2
[2 * 2 + A * 2] = 19.2
[4 + 2A] = 19.2

Solving
4 + 2A = 19.2

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 = 19.2 + -4

Combine like terms: 4 + -4 = 0
0 + 2A = 19.2 + -4
2A = 19.2 + -4

Combine like terms: 19.2 + -4 = 15.2
2A = 15.2

Divide each side by '2'.
A = 7.6

Simplifying
A = 7.6

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