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Simplifying 6r + -7 = 40r Reorder the terms: -7 + 6r = 40r Solving -7 + 6r = 40r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-40r' to each side of the equation. -7 + 6r + -40r = 40r + -40r Combine like terms: 6r + -40r = -34r -7 + -34r = 40r + -40r Combine like terms: 40r + -40r = 0 -7 + -34r = 0 Add '7' to each side of the equation. -7 + 7 + -34r = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -34r = 0 + 7 -34r = 0 + 7 Combine like terms: 0 + 7 = 7 -34r = 7 Divide each side by '-34'. r = -0.2058823529 Simplifying r = -0.2058823529
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