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Simplifying 3 + 4x + -7 = 1 + 2(2x + -7) Reorder the terms: 3 + -7 + 4x = 1 + 2(2x + -7) Combine like terms: 3 + -7 = -4 -4 + 4x = 1 + 2(2x + -7) Reorder the terms: -4 + 4x = 1 + 2(-7 + 2x) -4 + 4x = 1 + (-7 * 2 + 2x * 2) -4 + 4x = 1 + (-14 + 4x) Combine like terms: 1 + -14 = -13 -4 + 4x = -13 + 4x Add '-4x' to each side of the equation. -4 + 4x + -4x = -13 + 4x + -4x Combine like terms: 4x + -4x = 0 -4 + 0 = -13 + 4x + -4x -4 = -13 + 4x + -4x Combine like terms: 4x + -4x = 0 -4 = -13 + 0 -4 = -13 Solving -4 = -13 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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