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Simplifying 2x + 5x + -4 = 4 Reorder the terms: -4 + 2x + 5x = 4 Combine like terms: 2x + 5x = 7x -4 + 7x = 4 Solving -4 + 7x = 4 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + 7x = 4 + 4 Combine like terms: -4 + 4 = 0 0 + 7x = 4 + 4 7x = 4 + 4 Combine like terms: 4 + 4 = 8 7x = 8 Divide each side by '7'. x = 1.142857143 Simplifying x = 1.142857143
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