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Simplifying 3x + 3 = 3(x + 7) + -7 Reorder the terms: 3 + 3x = 3(x + 7) + -7 Reorder the terms: 3 + 3x = 3(7 + x) + -7 3 + 3x = (7 * 3 + x * 3) + -7 3 + 3x = (21 + 3x) + -7 Reorder the terms: 3 + 3x = 21 + -7 + 3x Combine like terms: 21 + -7 = 14 3 + 3x = 14 + 3x Add '-3x' to each side of the equation. 3 + 3x + -3x = 14 + 3x + -3x Combine like terms: 3x + -3x = 0 3 + 0 = 14 + 3x + -3x 3 = 14 + 3x + -3x Combine like terms: 3x + -3x = 0 3 = 14 + 0 3 = 14 Solving 3 = 14 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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