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Simplifying 7x + 13 = 7x + -16 Reorder the terms: 13 + 7x = 7x + -16 Reorder the terms: 13 + 7x = -16 + 7x Add '-7x' to each side of the equation. 13 + 7x + -7x = -16 + 7x + -7x Combine like terms: 7x + -7x = 0 13 + 0 = -16 + 7x + -7x 13 = -16 + 7x + -7x Combine like terms: 7x + -7x = 0 13 = -16 + 0 13 = -16 Solving 13 = -16 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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