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Simplifying 2r + -7 = 4r + 4 Reorder the terms: -7 + 2r = 4r + 4 Reorder the terms: -7 + 2r = 4 + 4r Solving -7 + 2r = 4 + 4r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-4r' to each side of the equation. -7 + 2r + -4r = 4 + 4r + -4r Combine like terms: 2r + -4r = -2r -7 + -2r = 4 + 4r + -4r Combine like terms: 4r + -4r = 0 -7 + -2r = 4 + 0 -7 + -2r = 4 Add '7' to each side of the equation. -7 + 7 + -2r = 4 + 7 Combine like terms: -7 + 7 = 0 0 + -2r = 4 + 7 -2r = 4 + 7 Combine like terms: 4 + 7 = 11 -2r = 11 Divide each side by '-2'. r = -5.5 Simplifying r = -5.5
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