(13-2)2+(12-14*2)=a

Solution for (13-2)2+(12-14*2)=a equation:

Simplifying
(13 + -2) * 2 + (12 + -14 * 2) = a

Combine like terms: 13 + -2 = 11
(11) * 2 + (12 + -14 * 2) = a

Multiply 11 * 2
22 + (12 + -14 * 2) = a

Multiply -14 * 2
22 + (12 + -28) = a

Combine like terms: 12 + -28 = -16
22 + (-16) = a
22 + -16 = a

Combine like terms: 22 + -16 = 6
6 = a

Solving
6 = a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
6 + -1a = a + -1a

Combine like terms: a + -1a = 0
6 + -1a = 0

Add '-6' to each side of the equation.
6 + -6 + -1a = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -1a = 0 + -6
-1a = 0 + -6

Combine like terms: 0 + -6 = -6
-1a = -6

Divide each side by '-1'.
a = 6

Simplifying
a = 6