a(28-9b)=0

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Solution for a(28-9b)=0 equation: 


Simplifying
a(28 + -9b) = 0
(28 * a + -9b * a) = 0
(28a + -9ab) = 0

Solving
28a + -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(28 + -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 '(28 + -9b)' equal to zero and attempt to solve:

Simplifying
28 + -9b = 0

Solving
28 + -9b = 0

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

Add '-28' to each side of the equation.
28 + -28 + -9b = 0 + -28

Combine like terms: 28 + -28 = 0
0 + -9b = 0 + -28
-9b = 0 + -28

Combine like terms: 0 + -28 = -28
-9b = -28

Add '9b' to each side of the equation.
-9b + 9b = -28 + 9b

Combine like terms: -9b + 9b = 0
0 = -28 + 9b

Simplifying
0 = -28 + 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}

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