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Simplifying x2 + -35r + 70 = 0 Reorder the terms: 70 + -35r + x2 = 0 Solving 70 + -35r + x2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-70' to each side of the equation. 70 + -35r + -70 + x2 = 0 + -70 Reorder the terms: 70 + -70 + -35r + x2 = 0 + -70 Combine like terms: 70 + -70 = 0 0 + -35r + x2 = 0 + -70 -35r + x2 = 0 + -70 Combine like terms: 0 + -70 = -70 -35r + x2 = -70 Add '-1x2' to each side of the equation. -35r + x2 + -1x2 = -70 + -1x2 Combine like terms: x2 + -1x2 = 0 -35r + 0 = -70 + -1x2 -35r = -70 + -1x2 Divide each side by '-35'. r = 2 + 0.02857142857x2 Simplifying r = 2 + 0.02857142857x2
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