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Simplifying -4 + 2r = 3r + -11 Reorder the terms: -4 + 2r = -11 + 3r Solving -4 + 2r = -11 + 3r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-3r' to each side of the equation. -4 + 2r + -3r = -11 + 3r + -3r Combine like terms: 2r + -3r = -1r -4 + -1r = -11 + 3r + -3r Combine like terms: 3r + -3r = 0 -4 + -1r = -11 + 0 -4 + -1r = -11 Add '4' to each side of the equation. -4 + 4 + -1r = -11 + 4 Combine like terms: -4 + 4 = 0 0 + -1r = -11 + 4 -1r = -11 + 4 Combine like terms: -11 + 4 = -7 -1r = -7 Divide each side by '-1'. r = 7 Simplifying r = 7
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