3-((3*6)+2)=a

Solution for 3-((3*6)+2)=a equation:

Simplifying
3 + -1((3 * 6) + 2) = a

Multiply 3 * 6
3 + -1((18) + 2) = a
3 + -1(18 + 2) = a

Combine like terms: 18 + 2 = 20
3 + -1(20) = a

Multiply -1 * 20
3 + -20 = a

Combine like terms: 3 + -20 = -17
-17 = a

Solving
-17 = 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.
-17 + -1a = a + -1a

Combine like terms: a + -1a = 0
-17 + -1a = 0

Add '17' to each side of the equation.
-17 + 17 + -1a = 0 + 17

Combine like terms: -17 + 17 = 0
0 + -1a = 0 + 17
-1a = 0 + 17

Combine like terms: 0 + 17 = 17
-1a = 17

Divide each side by '-1'.
a = -17

Simplifying
a = -17