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Simplifying 7r * 2s + -4r = 0 Reorder the terms for easier multiplication: 7 * 2r * s + -4r = 0 Multiply 7 * 2 14r * s + -4r = 0 Multiply r * s 14rs + -4r = 0 Reorder the terms: -4r + 14rs = 0 Solving -4r + 14rs = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Factor out the Greatest Common Factor (GCF), '2r'. 2r(-2 + 7s) = 0 Ignore the factor 2.Subproblem 1
Set the factor 'r' equal to zero and attempt to solve: Simplifying r = 0 Solving r = 0 Move all terms containing r to the left, all other terms to the right. Simplifying r = 0Subproblem 2
Set the factor '(-2 + 7s)' equal to zero and attempt to solve: Simplifying -2 + 7s = 0 Solving -2 + 7s = 0 Move all terms containing r to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + 7s = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 7s = 0 + 2 7s = 0 + 2 Combine like terms: 0 + 2 = 2 7s = 2 Add '-7s' to each side of the equation. 7s + -7s = 2 + -7s Combine like terms: 7s + -7s = 0 0 = 2 + -7s Simplifying 0 = 2 + -7s The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Solution
r = {0}
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