a(9b-13)=

Solution for a(9b-13)= equation:

Simplifying
a(9b + -13) = 0

Reorder the terms:
a(-13 + 9b) = 0
(-13 * a + 9b * a) = 0
(-13a + 9ab) = 0

Solving
-13a + 9ab = 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(-13 + 9b) = 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 '(-13 + 9b)' equal to zero and attempt to solve:

Simplifying
-13 + 9b = 0

Solving
-13 + 9b = 0

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

Add '13' to each side of the equation.
-13 + 13 + 9b = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 9b = 0 + 13
9b = 0 + 13

Combine like terms: 0 + 13 = 13
9b = 13

Add '-9b' to each side of the equation.
9b + -9b = 13 + -9b

Combine like terms: 9b + -9b = 0
0 = 13 + -9b

Simplifying
0 = 13 + -9b

The solution to this equation could not be determined.

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