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Simplifying 7(x + 7) + 3 = 7x + 3 Reorder the terms: 7(7 + x) + 3 = 7x + 3 (7 * 7 + x * 7) + 3 = 7x + 3 (49 + 7x) + 3 = 7x + 3 Reorder the terms: 49 + 3 + 7x = 7x + 3 Combine like terms: 49 + 3 = 52 52 + 7x = 7x + 3 Reorder the terms: 52 + 7x = 3 + 7x Add '-7x' to each side of the equation. 52 + 7x + -7x = 3 + 7x + -7x Combine like terms: 7x + -7x = 0 52 + 0 = 3 + 7x + -7x 52 = 3 + 7x + -7x Combine like terms: 7x + -7x = 0 52 = 3 + 0 52 = 3 Solving 52 = 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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