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Simplifying -1(-2) + 5 = 7 Multiply -1 * -2 2 + 5 = 7 Combine like terms: 2 + 5 = 7 7 = 7 Add '-7' to each side of the equation. 7 + -7 = 7 + -7 Combine like terms: 7 + -7 = 0 0 = 7 + -7 Combine like terms: 7 + -7 = 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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