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Simplifying 7x + 9 = 2 + 7x + 5 + -2 Reorder the terms: 9 + 7x = 2 + 7x + 5 + -2 Reorder the terms: 9 + 7x = 2 + 5 + -2 + 7x Combine like terms: 2 + 5 = 7 9 + 7x = 7 + -2 + 7x Combine like terms: 7 + -2 = 5 9 + 7x = 5 + 7x Add '-7x' to each side of the equation. 9 + 7x + -7x = 5 + 7x + -7x Combine like terms: 7x + -7x = 0 9 + 0 = 5 + 7x + -7x 9 = 5 + 7x + -7x Combine like terms: 7x + -7x = 0 9 = 5 + 0 9 = 5 Solving 9 = 5 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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