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