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Simplifying 2r + 8 = 9x + 2 Reorder the terms: 8 + 2r = 9x + 2 Reorder the terms: 8 + 2r = 2 + 9x Solving 8 + 2r = 2 + 9x Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 2r = 2 + -8 + 9x Combine like terms: 8 + -8 = 0 0 + 2r = 2 + -8 + 9x 2r = 2 + -8 + 9x Combine like terms: 2 + -8 = -6 2r = -6 + 9x Divide each side by '2'. r = -3 + 4.5x Simplifying r = -3 + 4.5x
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