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Simplifying 7x + 31 = -19 + 3x Reorder the terms: 31 + 7x = -19 + 3x Solving 31 + 7x = -19 + 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. 31 + 7x + -3x = -19 + 3x + -3x Combine like terms: 7x + -3x = 4x 31 + 4x = -19 + 3x + -3x Combine like terms: 3x + -3x = 0 31 + 4x = -19 + 0 31 + 4x = -19 Add '-31' to each side of the equation. 31 + -31 + 4x = -19 + -31 Combine like terms: 31 + -31 = 0 0 + 4x = -19 + -31 4x = -19 + -31 Combine like terms: -19 + -31 = -50 4x = -50 Divide each side by '4'. x = -12.5 Simplifying x = -12.5
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