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Simplifying -2(7r + 2) + 4 = -16 + -6r Reorder the terms: -2(2 + 7r) + 4 = -16 + -6r (2 * -2 + 7r * -2) + 4 = -16 + -6r (-4 + -14r) + 4 = -16 + -6r Reorder the terms: -4 + 4 + -14r = -16 + -6r Combine like terms: -4 + 4 = 0 0 + -14r = -16 + -6r -14r = -16 + -6r Solving -14r = -16 + -6r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '6r' to each side of the equation. -14r + 6r = -16 + -6r + 6r Combine like terms: -14r + 6r = -8r -8r = -16 + -6r + 6r Combine like terms: -6r + 6r = 0 -8r = -16 + 0 -8r = -16 Divide each side by '-8'. r = 2 Simplifying r = 2
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