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Simplifying 4x + 7 = 2(x + 3) + 2x + -1 Reorder the terms: 7 + 4x = 2(x + 3) + 2x + -1 Reorder the terms: 7 + 4x = 2(3 + x) + 2x + -1 7 + 4x = (3 * 2 + x * 2) + 2x + -1 7 + 4x = (6 + 2x) + 2x + -1 Reorder the terms: 7 + 4x = 6 + -1 + 2x + 2x Combine like terms: 6 + -1 = 5 7 + 4x = 5 + 2x + 2x Combine like terms: 2x + 2x = 4x 7 + 4x = 5 + 4x Add '-4x' to each side of the equation. 7 + 4x + -4x = 5 + 4x + -4x Combine like terms: 4x + -4x = 0 7 + 0 = 5 + 4x + -4x 7 = 5 + 4x + -4x Combine like terms: 4x + -4x = 0 7 = 5 + 0 7 = 5 Solving 7 = 5 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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