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Simplifying 0 = -5x4 + -20x3 + 5 Reorder the terms: 0 = 5 + -20x3 + -5x4 Solving 0 = 5 + -20x3 + -5x4 Solving for variable 'x'. Combine like terms: 0 + -5 = -5 -5 + 20x3 + 5x4 = 5 + -20x3 + -5x4 + -5 + 20x3 + 5x4 Reorder the terms: -5 + 20x3 + 5x4 = 5 + -5 + -20x3 + 20x3 + -5x4 + 5x4 Combine like terms: 5 + -5 = 0 -5 + 20x3 + 5x4 = 0 + -20x3 + 20x3 + -5x4 + 5x4 -5 + 20x3 + 5x4 = -20x3 + 20x3 + -5x4 + 5x4 Combine like terms: -20x3 + 20x3 = 0 -5 + 20x3 + 5x4 = 0 + -5x4 + 5x4 -5 + 20x3 + 5x4 = -5x4 + 5x4 Combine like terms: -5x4 + 5x4 = 0 -5 + 20x3 + 5x4 = 0 Factor out the Greatest Common Factor (GCF), '5'. 5(-1 + 4x3 + x4) = 0 Ignore the factor 5.Subproblem 1
Set the factor '(-1 + 4x3 + x4)' equal to zero and attempt to solve: Simplifying -1 + 4x3 + x4 = 0 Solving -1 + 4x3 + x4 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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