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Simplifying 15 = 7 + -13x Solving 15 = 7 + -13x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '13x' to each side of the equation. 15 + 13x = 7 + -13x + 13x Combine like terms: -13x + 13x = 0 15 + 13x = 7 + 0 15 + 13x = 7 Add '-15' to each side of the equation. 15 + -15 + 13x = 7 + -15 Combine like terms: 15 + -15 = 0 0 + 13x = 7 + -15 13x = 7 + -15 Combine like terms: 7 + -15 = -8 13x = -8 Divide each side by '13'. x = -0.6153846154 Simplifying x = -0.6153846154
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