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Simplifying 4.2 = -2.8x Solving 4.2 = -2.8x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.8x' to each side of the equation. 4.2 + 2.8x = -2.8x + 2.8x Combine like terms: -2.8x + 2.8x = 0.0 4.2 + 2.8x = 0.0 Add '-4.2' to each side of the equation. 4.2 + -4.2 + 2.8x = 0.0 + -4.2 Combine like terms: 4.2 + -4.2 = 0.0 0.0 + 2.8x = 0.0 + -4.2 2.8x = 0.0 + -4.2 Combine like terms: 0.0 + -4.2 = -4.2 2.8x = -4.2 Divide each side by '2.8'. x = -1.5 Simplifying x = -1.5
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