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Simplifying 3x + 12 = -23 + -4x Reorder the terms: 12 + 3x = -23 + -4x Solving 12 + 3x = -23 + -4x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4x' to each side of the equation. 12 + 3x + 4x = -23 + -4x + 4x Combine like terms: 3x + 4x = 7x 12 + 7x = -23 + -4x + 4x Combine like terms: -4x + 4x = 0 12 + 7x = -23 + 0 12 + 7x = -23 Add '-12' to each side of the equation. 12 + -12 + 7x = -23 + -12 Combine like terms: 12 + -12 = 0 0 + 7x = -23 + -12 7x = -23 + -12 Combine like terms: -23 + -12 = -35 7x = -35 Divide each side by '7'. x = -5 Simplifying x = -5
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