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Simplifying 6.8r + 7.8 = 6.2r Reorder the terms: 7.8 + 6.8r = 6.2r Solving 7.8 + 6.8r = 6.2r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-6.2r' to each side of the equation. 7.8 + 6.8r + -6.2r = 6.2r + -6.2r Combine like terms: 6.8r + -6.2r = 0.6r 7.8 + 0.6r = 6.2r + -6.2r Combine like terms: 6.2r + -6.2r = 0.0 7.8 + 0.6r = 0.0 Add '-7.8' to each side of the equation. 7.8 + -7.8 + 0.6r = 0.0 + -7.8 Combine like terms: 7.8 + -7.8 = 0.0 0.0 + 0.6r = 0.0 + -7.8 0.6r = 0.0 + -7.8 Combine like terms: 0.0 + -7.8 = -7.8 0.6r = -7.8 Divide each side by '0.6'. r = -13 Simplifying r = -13
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