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Simplifying 45 + 2x + 6 = 2x + 7 Reorder the terms: 45 + 6 + 2x = 2x + 7 Combine like terms: 45 + 6 = 51 51 + 2x = 2x + 7 Reorder the terms: 51 + 2x = 7 + 2x Add '-2x' to each side of the equation. 51 + 2x + -2x = 7 + 2x + -2x Combine like terms: 2x + -2x = 0 51 + 0 = 7 + 2x + -2x 51 = 7 + 2x + -2x Combine like terms: 2x + -2x = 0 51 = 7 + 0 51 = 7 Solving 51 = 7 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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