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Simplifying 3a(7b + -4) = 0 Reorder the terms: 3a(-4 + 7b) = 0 (-4 * 3a + 7b * 3a) = 0 (-12a + 21ab) = 0 Solving -12a + 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(-4 + 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 '(-4 + 7b)' equal to zero and attempt to solve: Simplifying -4 + 7b = 0 Solving -4 + 7b = 0 Move all terms containing a to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + 7b = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 7b = 0 + 4 7b = 0 + 4 Combine like terms: 0 + 4 = 4 7b = 4 Add '-7b' to each side of the equation. 7b + -7b = 4 + -7b Combine like terms: 7b + -7b = 0 0 = 4 + -7b Simplifying 0 = 4 + -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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