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Simplifying 2x2 + -7r + -16 = 0 Reorder the terms: -16 + -7r + 2x2 = 0 Solving -16 + -7r + 2x2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '16' to each side of the equation. -16 + -7r + 16 + 2x2 = 0 + 16 Reorder the terms: -16 + 16 + -7r + 2x2 = 0 + 16 Combine like terms: -16 + 16 = 0 0 + -7r + 2x2 = 0 + 16 -7r + 2x2 = 0 + 16 Combine like terms: 0 + 16 = 16 -7r + 2x2 = 16 Add '-2x2' to each side of the equation. -7r + 2x2 + -2x2 = 16 + -2x2 Combine like terms: 2x2 + -2x2 = 0 -7r + 0 = 16 + -2x2 -7r = 16 + -2x2 Divide each side by '-7'. r = -2.285714286 + 0.2857142857x2 Simplifying r = -2.285714286 + 0.2857142857x2
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