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Simplifying 0.04(7t + 3) = 0.28(t + 3) + -0.72 Reorder the terms: 0.04(3 + 7t) = 0.28(t + 3) + -0.72 (3 * 0.04 + 7t * 0.04) = 0.28(t + 3) + -0.72 (0.12 + 0.28t) = 0.28(t + 3) + -0.72 Reorder the terms: 0.12 + 0.28t = 0.28(3 + t) + -0.72 0.12 + 0.28t = (3 * 0.28 + t * 0.28) + -0.72 0.12 + 0.28t = (0.84 + 0.28t) + -0.72 Reorder the terms: 0.12 + 0.28t = 0.84 + -0.72 + 0.28t Combine like terms: 0.84 + -0.72 = 0.12 0.12 + 0.28t = 0.12 + 0.28t Add '-0.12' to each side of the equation. 0.12 + -0.12 + 0.28t = 0.12 + -0.12 + 0.28t Combine like terms: 0.12 + -0.12 = 0.00 0.00 + 0.28t = 0.12 + -0.12 + 0.28t 0.28t = 0.12 + -0.12 + 0.28t Combine like terms: 0.12 + -0.12 = 0.00 0.28t = 0.00 + 0.28t 0.28t = 0.28t Add '-0.28t' to each side of the equation. 0.28t + -0.28t = 0.28t + -0.28t Combine like terms: 0.28t + -0.28t = 0.00 0.00 = 0.28t + -0.28t Combine like terms: 0.28t + -0.28t = 0.00 0.00 = 0.00 Solving 0.00 = 0.00 Couldn't find a variable to solve for. This equation is an identity, all real numbers are solutions.
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