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Simplifying 12 + 8(x + -7) = 4(x + 3) + 4x Reorder the terms: 12 + 8(-7 + x) = 4(x + 3) + 4x 12 + (-7 * 8 + x * 8) = 4(x + 3) + 4x 12 + (-56 + 8x) = 4(x + 3) + 4x Combine like terms: 12 + -56 = -44 -44 + 8x = 4(x + 3) + 4x Reorder the terms: -44 + 8x = 4(3 + x) + 4x -44 + 8x = (3 * 4 + x * 4) + 4x -44 + 8x = (12 + 4x) + 4x Combine like terms: 4x + 4x = 8x -44 + 8x = 12 + 8x Add '-8x' to each side of the equation. -44 + 8x + -8x = 12 + 8x + -8x Combine like terms: 8x + -8x = 0 -44 + 0 = 12 + 8x + -8x -44 = 12 + 8x + -8x Combine like terms: 8x + -8x = 0 -44 = 12 + 0 -44 = 12 Solving -44 = 12 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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