-7a+3(6+6a)=

Solution for -7a+3(6+6a)= equation:

Simplifying
-7a + 3(6 + 6a) = 0
-7a + (6 * 3 + 6a * 3) = 0
-7a + (18 + 18a) = 0

Reorder the terms:
18 + -7a + 18a = 0

Combine like terms: -7a + 18a = 11a
18 + 11a = 0

Solving
18 + 11a = 0

Solving for variable 'a'.

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

Add '-18' to each side of the equation.
18 + -18 + 11a = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 11a = 0 + -18
11a = 0 + -18

Combine like terms: 0 + -18 = -18
11a = -18

Divide each side by '11'.
a = -1.636363636

Simplifying
a = -1.636363636