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Simplifying -2r + -4 = 22 Reorder the terms: -4 + -2r = 22 Solving -4 + -2r = 22 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -2r = 22 + 4 Combine like terms: -4 + 4 = 0 0 + -2r = 22 + 4 -2r = 22 + 4 Combine like terms: 22 + 4 = 26 -2r = 26 Divide each side by '-2'. r = -13 Simplifying r = -13
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