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Simplifying -30 + -6r = -6(r + 5) Reorder the terms: -30 + -6r = -6(5 + r) -30 + -6r = (5 * -6 + r * -6) -30 + -6r = (-30 + -6r) Add '30' to each side of the equation. -30 + 30 + -6r = -30 + 30 + -6r Combine like terms: -30 + 30 = 0 0 + -6r = -30 + 30 + -6r -6r = -30 + 30 + -6r Combine like terms: -30 + 30 = 0 -6r = 0 + -6r -6r = -6r Add '6r' to each side of the equation. -6r + 6r = -6r + 6r Combine like terms: -6r + 6r = 0 0 = -6r + 6r Combine like terms: -6r + 6r = 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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