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Simplifying r2 + -7x + -18 = 0 Reorder the terms: -18 + r2 + -7x = 0 Solving -18 + r2 + -7x = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '18' to each side of the equation. -18 + r2 + 18 + -7x = 0 + 18 Reorder the terms: -18 + 18 + r2 + -7x = 0 + 18 Combine like terms: -18 + 18 = 0 0 + r2 + -7x = 0 + 18 r2 + -7x = 0 + 18 Combine like terms: 0 + 18 = 18 r2 + -7x = 18 Add '7x' to each side of the equation. r2 + -7x + 7x = 18 + 7x Combine like terms: -7x + 7x = 0 r2 + 0 = 18 + 7x r2 = 18 + 7x Simplifying r2 = 18 + 7x Reorder the terms: -18 + r2 + -7x = 18 + 7x + -18 + -7x Reorder the terms: -18 + r2 + -7x = 18 + -18 + 7x + -7x Combine like terms: 18 + -18 = 0 -18 + r2 + -7x = 0 + 7x + -7x -18 + r2 + -7x = 7x + -7x Combine like terms: 7x + -7x = 0 -18 + r2 + -7x = 0 The solution to this equation could not be determined.
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