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Simplifying 8r + -4 = 12r + 6 Reorder the terms: -4 + 8r = 12r + 6 Reorder the terms: -4 + 8r = 6 + 12r Solving -4 + 8r = 6 + 12r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-12r' to each side of the equation. -4 + 8r + -12r = 6 + 12r + -12r Combine like terms: 8r + -12r = -4r -4 + -4r = 6 + 12r + -12r Combine like terms: 12r + -12r = 0 -4 + -4r = 6 + 0 -4 + -4r = 6 Add '4' to each side of the equation. -4 + 4 + -4r = 6 + 4 Combine like terms: -4 + 4 = 0 0 + -4r = 6 + 4 -4r = 6 + 4 Combine like terms: 6 + 4 = 10 -4r = 10 Divide each side by '-4'. r = -2.5 Simplifying r = -2.5
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