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Simplifying -3a(7b + 13) = 0 Reorder the terms: -3a(13 + 7b) = 0 (13 * -3a + 7b * -3a) = 0 (-39a + -21ab) = 0 Solving -39a + -21ab = 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), '-3a'. -3a(13 + 7b) = 0 Ignore the factor -3.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 = 0Subproblem 2
Set the factor '(13 + 7b)' equal to zero and attempt to solve: Simplifying 13 + 7b = 0 Solving 13 + 7b = 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 + 7b = 0 + -13 Combine like terms: 13 + -13 = 0 0 + 7b = 0 + -13 7b = 0 + -13 Combine like terms: 0 + -13 = -13 7b = -13 Add '-7b' to each side of the equation. 7b + -7b = -13 + -7b Combine like terms: 7b + -7b = 0 0 = -13 + -7b Simplifying 0 = -13 + -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}
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