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Simplifying 7x4 = -7 Solving 7x4 = -7 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Divide each side by '7'. x4 = -1 Simplifying x4 = -1 Reorder the terms: 1 + x4 = -1 + 1 Combine like terms: -1 + 1 = 0 1 + x4 = 0 The solution to this equation could not be determined.
| 4x^2+28=0 | | 2x^2=14 | | x^2+13=20 | | 5x^4=16 | | 9x^5=3 | | x^2+4=8 |