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Simplifying 15 + 4x = 6 + -3x Solving 15 + 4x = 6 + -3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3x' to each side of the equation. 15 + 4x + 3x = 6 + -3x + 3x Combine like terms: 4x + 3x = 7x 15 + 7x = 6 + -3x + 3x Combine like terms: -3x + 3x = 0 15 + 7x = 6 + 0 15 + 7x = 6 Add '-15' to each side of the equation. 15 + -15 + 7x = 6 + -15 Combine like terms: 15 + -15 = 0 0 + 7x = 6 + -15 7x = 6 + -15 Combine like terms: 6 + -15 = -9 7x = -9 Divide each side by '7'. x = -1.285714286 Simplifying x = -1.285714286
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