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Simplifying 7x2 + -13 = -20 Reorder the terms: -13 + 7x2 = -20 Solving -13 + 7x2 = -20 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + 7x2 = -20 + 13 Combine like terms: -13 + 13 = 0 0 + 7x2 = -20 + 13 7x2 = -20 + 13 Combine like terms: -20 + 13 = -7 7x2 = -7 Divide each side by '7'. x2 = -1 Simplifying x2 = -1 Reorder the terms: 1 + x2 = -1 + 1 Combine like terms: -1 + 1 = 0 1 + x2 = 0 The solution to this equation could not be determined.
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