6(1+3a)=-6a-18

Solution for 6(1+3a)=-6a-18 equation:

Simplifying
6(1 + 3a) = -6a + -18
(1 * 6 + 3a * 6) = -6a + -18
(6 + 18a) = -6a + -18

Reorder the terms:
6 + 18a = -18 + -6a

Solving
6 + 18a = -18 + -6a

Solving for variable 'a'.

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

Add '6a' to each side of the equation.
6 + 18a + 6a = -18 + -6a + 6a

Combine like terms: 18a + 6a = 24a
6 + 24a = -18 + -6a + 6a

Combine like terms: -6a + 6a = 0
6 + 24a = -18 + 0
6 + 24a = -18

Add '-6' to each side of the equation.
6 + -6 + 24a = -18 + -6

Combine like terms: 6 + -6 = 0
0 + 24a = -18 + -6
24a = -18 + -6

Combine like terms: -18 + -6 = -24
24a = -24

Divide each side by '24'.
a = -1

Simplifying
a = -1