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Simplifying 3.9 + t = 4.5 Solving 3.9 + t = 4.5 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-3.9' to each side of the equation. 3.9 + -3.9 + t = 4.5 + -3.9 Combine like terms: 3.9 + -3.9 = 0.0 0.0 + t = 4.5 + -3.9 t = 4.5 + -3.9 Combine like terms: 4.5 + -3.9 = 0.6 t = 0.6 Simplifying t = 0.6
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