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Simplifying -4.2 = 2x + 1 Reorder the terms: -4.2 = 1 + 2x Solving -4.2 = 1 + 2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2x' to each side of the equation. -4.2 + -2x = 1 + 2x + -2x Combine like terms: 2x + -2x = 0 -4.2 + -2x = 1 + 0 -4.2 + -2x = 1 Add '4.2' to each side of the equation. -4.2 + 4.2 + -2x = 1 + 4.2 Combine like terms: -4.2 + 4.2 = 0.0 0.0 + -2x = 1 + 4.2 -2x = 1 + 4.2 Combine like terms: 1 + 4.2 = 5.2 -2x = 5.2 Divide each side by '-2'. x = -2.6 Simplifying x = -2.6
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