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