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Simplifying -18 + -2xr + 8r + 1 = 7 Reorder the terms: -18 + 1 + 8r + -2rx = 7 Combine like terms: -18 + 1 = -17 -17 + 8r + -2rx = 7 Solving -17 + 8r + -2rx = 7 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '17' to each side of the equation. -17 + 8r + 17 + -2rx = 7 + 17 Reorder the terms: -17 + 17 + 8r + -2rx = 7 + 17 Combine like terms: -17 + 17 = 0 0 + 8r + -2rx = 7 + 17 8r + -2rx = 7 + 17 Combine like terms: 7 + 17 = 24 8r + -2rx = 24 Reorder the terms: -24 + 8r + -2rx = 24 + -24 Combine like terms: 24 + -24 = 0 -24 + 8r + -2rx = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-12 + 4r + -1rx) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-12 + 4r + -1rx)' equal to zero and attempt to solve: Simplifying -12 + 4r + -1rx = 0 Solving -12 + 4r + -1rx = 0 Move all terms containing r to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 4r + 12 + -1rx = 0 + 12 Reorder the terms: -12 + 12 + 4r + -1rx = 0 + 12 Combine like terms: -12 + 12 = 0 0 + 4r + -1rx = 0 + 12 4r + -1rx = 0 + 12 Combine like terms: 0 + 12 = 12 4r + -1rx = 12 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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