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Simplifying 2(4 + -2r) = 4x + 2 (4 * 2 + -2r * 2) = 4x + 2 (8 + -4r) = 4x + 2 Reorder the terms: 8 + -4r = 2 + 4x Solving 8 + -4r = 2 + 4x 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 + -4r = 2 + -8 + 4x Combine like terms: 8 + -8 = 0 0 + -4r = 2 + -8 + 4x -4r = 2 + -8 + 4x Combine like terms: 2 + -8 = -6 -4r = -6 + 4x Divide each side by '-4'. r = 1.5 + -1x Simplifying r = 1.5 + -1x
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