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Simplifying 2.1x + -2.8 = 0 Reorder the terms: -2.8 + 2.1x = 0 Solving -2.8 + 2.1x = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.8' to each side of the equation. -2.8 + 2.8 + 2.1x = 0 + 2.8 Combine like terms: -2.8 + 2.8 = 0.0 0.0 + 2.1x = 0 + 2.8 2.1x = 0 + 2.8 Combine like terms: 0 + 2.8 = 2.8 2.1x = 2.8 Divide each side by '2.1'. x = 1.333333333 Simplifying x = 1.333333333
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