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