2(3a)+6=-30

Solution for 2(3a)+6=-30 equation:

Simplifying
2(3a) + 6 = -30

Remove parenthesis around (3a)
2 * 3a + 6 = -30

Multiply 2 * 3
6a + 6 = -30

Reorder the terms:
6 + 6a = -30

Solving
6 + 6a = -30

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + 6a = -30 + -6

Combine like terms: 6 + -6 = 0
0 + 6a = -30 + -6
6a = -30 + -6

Combine like terms: -30 + -6 = -36
6a = -36

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

Simplifying
a = -6