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Simplifying 2.9 = x + 7.1 Reorder the terms: 2.9 = 7.1 + x Solving 2.9 = 7.1 + x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1x' to each side of the equation. 2.9 + -1x = 7.1 + x + -1x Combine like terms: x + -1x = 0 2.9 + -1x = 7.1 + 0 2.9 + -1x = 7.1 Add '-2.9' to each side of the equation. 2.9 + -2.9 + -1x = 7.1 + -2.9 Combine like terms: 2.9 + -2.9 = 0.0 0.0 + -1x = 7.1 + -2.9 -1x = 7.1 + -2.9 Combine like terms: 7.1 + -2.9 = 4.2 -1x = 4.2 Divide each side by '-1'. x = -4.2 Simplifying x = -4.2
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