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Simplifying 7x + 7 = 3x + -2 + 4x Reorder the terms: 7 + 7x = 3x + -2 + 4x Reorder the terms: 7 + 7x = -2 + 3x + 4x Combine like terms: 3x + 4x = 7x 7 + 7x = -2 + 7x Add '-7x' to each side of the equation. 7 + 7x + -7x = -2 + 7x + -7x Combine like terms: 7x + -7x = 0 7 + 0 = -2 + 7x + -7x 7 = -2 + 7x + -7x Combine like terms: 7x + -7x = 0 7 = -2 + 0 7 = -2 Solving 7 = -2 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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