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Simplifying -6r + -4 = -7r Reorder the terms: -4 + -6r = -7r Solving -4 + -6r = -7r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '7r' to each side of the equation. -4 + -6r + 7r = -7r + 7r Combine like terms: -6r + 7r = 1r -4 + 1r = -7r + 7r Combine like terms: -7r + 7r = 0 -4 + 1r = 0 Add '4' to each side of the equation. -4 + 4 + 1r = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 1r = 0 + 4 1r = 0 + 4 Combine like terms: 0 + 4 = 4 1r = 4 Divide each side by '1'. r = 4 Simplifying r = 4
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