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Simplifying 2(x + 2) + 4 = 9x + -7(x + 4) Reorder the terms: 2(2 + x) + 4 = 9x + -7(x + 4) (2 * 2 + x * 2) + 4 = 9x + -7(x + 4) (4 + 2x) + 4 = 9x + -7(x + 4) Reorder the terms: 4 + 4 + 2x = 9x + -7(x + 4) Combine like terms: 4 + 4 = 8 8 + 2x = 9x + -7(x + 4) Reorder the terms: 8 + 2x = 9x + -7(4 + x) 8 + 2x = 9x + (4 * -7 + x * -7) 8 + 2x = 9x + (-28 + -7x) Reorder the terms: 8 + 2x = -28 + 9x + -7x Combine like terms: 9x + -7x = 2x 8 + 2x = -28 + 2x Add '-2x' to each side of the equation. 8 + 2x + -2x = -28 + 2x + -2x Combine like terms: 2x + -2x = 0 8 + 0 = -28 + 2x + -2x 8 = -28 + 2x + -2x Combine like terms: 2x + -2x = 0 8 = -28 + 0 8 = -28 Solving 8 = -28 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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