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Simplifying 4x + 2(-2x + 5) = 7 Reorder the terms: 4x + 2(5 + -2x) = 7 4x + (5 * 2 + -2x * 2) = 7 4x + (10 + -4x) = 7 Reorder the terms: 10 + 4x + -4x = 7 Combine like terms: 4x + -4x = 0 10 + 0 = 7 10 = 7 Solving 10 = 7 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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