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Simplifying 4.2(x + -1) = 9.8 Reorder the terms: 4.2(-1 + x) = 9.8 (-1 * 4.2 + x * 4.2) = 9.8 (-4.2 + 4.2x) = 9.8 Solving -4.2 + 4.2x = 9.8 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.2' to each side of the equation. -4.2 + 4.2 + 4.2x = 9.8 + 4.2 Combine like terms: -4.2 + 4.2 = 0.0 0.0 + 4.2x = 9.8 + 4.2 4.2x = 9.8 + 4.2 Combine like terms: 9.8 + 4.2 = 14 4.2x = 14 Divide each side by '4.2'. x = 3.333333333 Simplifying x = 3.333333333
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