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Simplifying 81r2 + 126s = -49 Solving 81r2 + 126s = -49 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-126s' to each side of the equation. 81r2 + 126s + -126s = -49 + -126s Combine like terms: 126s + -126s = 0 81r2 + 0 = -49 + -126s 81r2 = -49 + -126s Divide each side by '81'. r2 = -0.6049382716 + -1.555555556s Simplifying r2 = -0.6049382716 + -1.555555556s Reorder the terms: 0.6049382716 + r2 + 1.555555556s = -0.6049382716 + -1.555555556s + 0.6049382716 + 1.555555556s Reorder the terms: 0.6049382716 + r2 + 1.555555556s = -0.6049382716 + 0.6049382716 + -1.555555556s + 1.555555556s Combine like terms: -0.6049382716 + 0.6049382716 = 0.0000000000 0.6049382716 + r2 + 1.555555556s = 0.0000000000 + -1.555555556s + 1.555555556s 0.6049382716 + r2 + 1.555555556s = -1.555555556s + 1.555555556s Combine like terms: -1.555555556s + 1.555555556s = 0.000000000 0.6049382716 + r2 + 1.555555556s = 0.000000000 The solution to this equation could not be determined.
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