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Simplifying 3 + -1(x + 2) = 7 + -1x Reorder the terms: 3 + -1(2 + x) = 7 + -1x 3 + (2 * -1 + x * -1) = 7 + -1x 3 + (-2 + -1x) = 7 + -1x Combine like terms: 3 + -2 = 1 1 + -1x = 7 + -1x Add 'x' to each side of the equation. 1 + -1x + x = 7 + -1x + x Combine like terms: -1x + x = 0 1 + 0 = 7 + -1x + x 1 = 7 + -1x + x Combine like terms: -1x + x = 0 1 = 7 + 0 1 = 7 Solving 1 = 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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