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Simplifying 18 + -1x2 = 39 Solving 18 + -1x2 = 39 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + -1x2 = 39 + -18 Combine like terms: 18 + -18 = 0 0 + -1x2 = 39 + -18 -1x2 = 39 + -18 Combine like terms: 39 + -18 = 21 -1x2 = 21 Divide each side by '-1'. x2 = -21 Simplifying x2 = -21 Reorder the terms: 21 + x2 = -21 + 21 Combine like terms: -21 + 21 = 0 21 + x2 = 0 The solution to this equation could not be determined.
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