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