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

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

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

Reorder the terms:
(6 + 3a) = -1(2a + -6)

Remove parenthesis around (6 + 3a)
6 + 3a = -1(2a + -6)

Reorder the terms:
6 + 3a = -1(-6 + 2a)
6 + 3a = (-6 * -1 + 2a * -1)
6 + 3a = (6 + -2a)

Add '-6' to each side of the equation.
6 + -6 + 3a = 6 + -6 + -2a

Combine like terms: 6 + -6 = 0
0 + 3a = 6 + -6 + -2a
3a = 6 + -6 + -2a

Combine like terms: 6 + -6 = 0
3a = 0 + -2a
3a = -2a

Solving
3a = -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
3a + 2a = -2a + 2a

Combine like terms: 3a + 2a = 5a
5a = -2a + 2a

Combine like terms: -2a + 2a = 0
5a = 0

Divide each side by '5'.
a = 0

Simplifying
a = 0