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Simplifying r2 + 8x + 7 = 0 Reorder the terms: 7 + r2 + 8x = 0 Solving 7 + r2 + 8x = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + r2 + -7 + 8x = 0 + -7 Reorder the terms: 7 + -7 + r2 + 8x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + r2 + 8x = 0 + -7 r2 + 8x = 0 + -7 Combine like terms: 0 + -7 = -7 r2 + 8x = -7 Add '-8x' to each side of the equation. r2 + 8x + -8x = -7 + -8x Combine like terms: 8x + -8x = 0 r2 + 0 = -7 + -8x r2 = -7 + -8x Simplifying r2 = -7 + -8x Reorder the terms: 7 + r2 + 8x = -7 + -8x + 7 + 8x Reorder the terms: 7 + r2 + 8x = -7 + 7 + -8x + 8x Combine like terms: -7 + 7 = 0 7 + r2 + 8x = 0 + -8x + 8x 7 + r2 + 8x = -8x + 8x Combine like terms: -8x + 8x = 0 7 + r2 + 8x = 0 The solution to this equation could not be determined.
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