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Simplifying 7000 = (4000)(0.50)(3.50) Multiply 4000 * 0.50 7000 = 2000 * 3.50 Multiply 2000 * 3.50 7000 = 7000 Add '-7000' to each side of the equation. 7000 + -7000 = 7000 + -7000 Combine like terms: 7000 + -7000 = 0 0 = 7000 + -7000 Combine like terms: 7000 + -7000 = 0 0 = 0 Solving 0 = 0 Couldn't find a variable to solve for. This equation is an identity, all real numbers are solutions.
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