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Simplifying 42 + -2x2 = 400 Solving 42 + -2x2 = 400 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-42' to each side of the equation. 42 + -42 + -2x2 = 400 + -42 Combine like terms: 42 + -42 = 0 0 + -2x2 = 400 + -42 -2x2 = 400 + -42 Combine like terms: 400 + -42 = 358 -2x2 = 358 Divide each side by '-2'. x2 = -179 Simplifying x2 = -179 Reorder the terms: 179 + x2 = -179 + 179 Combine like terms: -179 + 179 = 0 179 + x2 = 0 The solution to this equation could not be determined.
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