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Simplifying 3(2 + 5) + -6 = 3(2 + 3) Combine like terms: 2 + 5 = 7 3(7) + -6 = 3(2 + 3) Multiply 3 * 7 21 + -6 = 3(2 + 3) Combine like terms: 21 + -6 = 15 15 = 3(2 + 3) Combine like terms: 2 + 3 = 5 15 = 3(5) Multiply 3 * 5 15 = 15 Add '-15' to each side of the equation. 15 + -15 = 15 + -15 Combine like terms: 15 + -15 = 0 0 = 15 + -15 Combine like terms: 15 + -15 = 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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