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Simplifying -1(x + -3) = 13 + -1(x + 10) Reorder the terms: -1(-3 + x) = 13 + -1(x + 10) (-3 * -1 + x * -1) = 13 + -1(x + 10) (3 + -1x) = 13 + -1(x + 10) Reorder the terms: 3 + -1x = 13 + -1(10 + x) 3 + -1x = 13 + (10 * -1 + x * -1) 3 + -1x = 13 + (-10 + -1x) Combine like terms: 13 + -10 = 3 3 + -1x = 3 + -1x Add '-3' to each side of the equation. 3 + -3 + -1x = 3 + -3 + -1x Combine like terms: 3 + -3 = 0 0 + -1x = 3 + -3 + -1x -1x = 3 + -3 + -1x Combine like terms: 3 + -3 = 0 -1x = 0 + -1x -1x = -1x Add 'x' to each side of the equation. -1x + x = -1x + x Combine like terms: -1x + x = 0 0 = -1x + x Combine like terms: -1x + x = 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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