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Simplifying -5 + 2z = -13 + 2z Add '-2z' to each side of the equation. -5 + 2z + -2z = -13 + 2z + -2z Combine like terms: 2z + -2z = 0 -5 + 0 = -13 + 2z + -2z -5 = -13 + 2z + -2z Combine like terms: 2z + -2z = 0 -5 = -13 + 0 -5 = -13 Solving -5 = -13 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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