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Simplifying 3x + 7 = 7x + 3 + -4x + 8 Reorder the terms: 7 + 3x = 7x + 3 + -4x + 8 Reorder the terms: 7 + 3x = 3 + 8 + 7x + -4x Combine like terms: 3 + 8 = 11 7 + 3x = 11 + 7x + -4x Combine like terms: 7x + -4x = 3x 7 + 3x = 11 + 3x Add '-3x' to each side of the equation. 7 + 3x + -3x = 11 + 3x + -3x Combine like terms: 3x + -3x = 0 7 + 0 = 11 + 3x + -3x 7 = 11 + 3x + -3x Combine like terms: 3x + -3x = 0 7 = 11 + 0 7 = 11 Solving 7 = 11 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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