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Simplifying 4(x + 2) + 1 = 7x + -3(x + 1) Reorder the terms: 4(2 + x) + 1 = 7x + -3(x + 1) (2 * 4 + x * 4) + 1 = 7x + -3(x + 1) (8 + 4x) + 1 = 7x + -3(x + 1) Reorder the terms: 8 + 1 + 4x = 7x + -3(x + 1) Combine like terms: 8 + 1 = 9 9 + 4x = 7x + -3(x + 1) Reorder the terms: 9 + 4x = 7x + -3(1 + x) 9 + 4x = 7x + (1 * -3 + x * -3) 9 + 4x = 7x + (-3 + -3x) Reorder the terms: 9 + 4x = -3 + 7x + -3x Combine like terms: 7x + -3x = 4x 9 + 4x = -3 + 4x Add '-4x' to each side of the equation. 9 + 4x + -4x = -3 + 4x + -4x Combine like terms: 4x + -4x = 0 9 + 0 = -3 + 4x + -4x 9 = -3 + 4x + -4x Combine like terms: 4x + -4x = 0 9 = -3 + 0 9 = -3 Solving 9 = -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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