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Simplifying 3x + -12 = 7 + -4x Reorder the terms: -12 + 3x = 7 + -4x Solving -12 + 3x = 7 + -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 = 7 + -4x + 4x Combine like terms: 3x + 4x = 7x -12 + 7x = 7 + -4x + 4x Combine like terms: -4x + 4x = 0 -12 + 7x = 7 + 0 -12 + 7x = 7 Add '12' to each side of the equation. -12 + 12 + 7x = 7 + 12 Combine like terms: -12 + 12 = 0 0 + 7x = 7 + 12 7x = 7 + 12 Combine like terms: 7 + 12 = 19 7x = 19 Divide each side by '7'. x = 2.714285714 Simplifying x = 2.714285714
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