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Simplifying 7a4 + -9a3 + 3a4 = 0 Reorder the terms: -9a3 + 7a4 + 3a4 = 0 Combine like terms: 7a4 + 3a4 = 10a4 -9a3 + 10a4 = 0 Solving -9a3 + 10a4 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), 'a3'. a3(-9 + 10a) = 0Subproblem 1
Set the factor 'a3' equal to zero and attempt to solve: Simplifying a3 = 0 Solving a3 = 0 Move all terms containing a to the left, all other terms to the right. Simplifying a3 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Subproblem 2
Set the factor '(-9 + 10a)' equal to zero and attempt to solve: Simplifying -9 + 10a = 0 Solving -9 + 10a = 0 Move all terms containing a to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + 10a = 0 + 9 Combine like terms: -9 + 9 = 0 0 + 10a = 0 + 9 10a = 0 + 9 Combine like terms: 0 + 9 = 9 10a = 9 Divide each side by '10'. a = 0.9 Simplifying a = 0.9Solution
a = {0.9}
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