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Simplifying 13x + 7 = 5 + -20 Reorder the terms: 7 + 13x = 5 + -20 Combine like terms: 5 + -20 = -15 7 + 13x = -15 Solving 7 + 13x = -15 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 13x = -15 + -7 Combine like terms: 7 + -7 = 0 0 + 13x = -15 + -7 13x = -15 + -7 Combine like terms: -15 + -7 = -22 13x = -22 Divide each side by '13'. x = -1.692307692 Simplifying x = -1.692307692
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