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Simplifying 12x + 20 + 18x + 12 + 6 = 30x + 39 Reorder the terms: 20 + 12 + 6 + 12x + 18x = 30x + 39 Combine like terms: 20 + 12 = 32 32 + 6 + 12x + 18x = 30x + 39 Combine like terms: 32 + 6 = 38 38 + 12x + 18x = 30x + 39 Combine like terms: 12x + 18x = 30x 38 + 30x = 30x + 39 Reorder the terms: 38 + 30x = 39 + 30x Add '-30x' to each side of the equation. 38 + 30x + -30x = 39 + 30x + -30x Combine like terms: 30x + -30x = 0 38 + 0 = 39 + 30x + -30x 38 = 39 + 30x + -30x Combine like terms: 30x + -30x = 0 38 = 39 + 0 38 = 39 Solving 38 = 39 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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