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Simplifying 70 = -7r Solving 70 = -7r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '7r' to each side of the equation. 70 + 7r = -7r + 7r Combine like terms: -7r + 7r = 0 70 + 7r = 0 Add '-70' to each side of the equation. 70 + -70 + 7r = 0 + -70 Combine like terms: 70 + -70 = 0 0 + 7r = 0 + -70 7r = 0 + -70 Combine like terms: 0 + -70 = -70 7r = -70 Divide each side by '7'. r = -10 Simplifying r = -10
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