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Simplifying 7(h + 3) + 4 = 7h + -3 Reorder the terms: 7(3 + h) + 4 = 7h + -3 (3 * 7 + h * 7) + 4 = 7h + -3 (21 + 7h) + 4 = 7h + -3 Reorder the terms: 21 + 4 + 7h = 7h + -3 Combine like terms: 21 + 4 = 25 25 + 7h = 7h + -3 Reorder the terms: 25 + 7h = -3 + 7h Add '-7h' to each side of the equation. 25 + 7h + -7h = -3 + 7h + -7h Combine like terms: 7h + -7h = 0 25 + 0 = -3 + 7h + -7h 25 = -3 + 7h + -7h Combine like terms: 7h + -7h = 0 25 = -3 + 0 25 = -3 Solving 25 = -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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