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Simplifying r2 + -4x + -91 = 7 Reorder the terms: -91 + r2 + -4x = 7 Solving -91 + r2 + -4x = 7 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '91' to each side of the equation. -91 + r2 + 91 + -4x = 7 + 91 Reorder the terms: -91 + 91 + r2 + -4x = 7 + 91 Combine like terms: -91 + 91 = 0 0 + r2 + -4x = 7 + 91 r2 + -4x = 7 + 91 Combine like terms: 7 + 91 = 98 r2 + -4x = 98 Add '4x' to each side of the equation. r2 + -4x + 4x = 98 + 4x Combine like terms: -4x + 4x = 0 r2 + 0 = 98 + 4x r2 = 98 + 4x Simplifying r2 = 98 + 4x Reorder the terms: -98 + r2 + -4x = 98 + 4x + -98 + -4x Reorder the terms: -98 + r2 + -4x = 98 + -98 + 4x + -4x Combine like terms: 98 + -98 = 0 -98 + r2 + -4x = 0 + 4x + -4x -98 + r2 + -4x = 4x + -4x Combine like terms: 4x + -4x = 0 -98 + r2 + -4x = 0 The solution to this equation could not be determined.
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