12a+3ab+4ab=

Solution for 12a+3ab+4ab= equation:

Simplifying
12a + 3ab + 4ab = 0

Combine like terms: 3ab + 4ab = 7ab
12a + 7ab = 0

Solving
12a + 7ab = 0

Solving for variable 'a'.

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

Factor out the Greatest Common Factor (GCF), 'a'.
a(12 + 7b) = 0

Subproblem 1
Set the factor 'a' equal to zero and attempt to solve:

Simplifying
a = 0

Solving
a = 0

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

Simplifying
a = 0
Subproblem 2
Set the factor '(12 + 7b)' equal to zero and attempt to solve:

Simplifying
12 + 7b = 0

Solving
12 + 7b = 0

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

Add '-12' to each side of the equation.
12 + -12 + 7b = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 7b = 0 + -12
7b = 0 + -12

Combine like terms: 0 + -12 = -12
7b = -12

Add '-7b' to each side of the equation.
7b + -7b = -12 + -7b

Combine like terms: 7b + -7b = 0
0 = -12 + -7b

Simplifying
0 = -12 + -7b

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
a = {0}