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