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Simplifying 13 + -7x = 1 + -7x Add '7x' to each side of the equation. 13 + -7x + 7x = 1 + -7x + 7x Combine like terms: -7x + 7x = 0 13 + 0 = 1 + -7x + 7x 13 = 1 + -7x + 7x Combine like terms: -7x + 7x = 0 13 = 1 + 0 13 = 1 Solving 13 = 1 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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