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Simplifying -4.5 = 3.5 + -4r Solving -4.5 = 3.5 + -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. -4.5 + 4r = 3.5 + -4r + 4r Combine like terms: -4r + 4r = 0 -4.5 + 4r = 3.5 + 0 -4.5 + 4r = 3.5 Add '4.5' to each side of the equation. -4.5 + 4.5 + 4r = 3.5 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + 4r = 3.5 + 4.5 4r = 3.5 + 4.5 Combine like terms: 3.5 + 4.5 = 8 4r = 8 Divide each side by '4'. r = 2 Simplifying r = 2
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