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Simplifying 2 + -1(x + 3) = 7 + -1(x + 3) Reorder the terms: 2 + -1(3 + x) = 7 + -1(x + 3) 2 + (3 * -1 + x * -1) = 7 + -1(x + 3) 2 + (-3 + -1x) = 7 + -1(x + 3) Combine like terms: 2 + -3 = -1 -1 + -1x = 7 + -1(x + 3) Reorder the terms: -1 + -1x = 7 + -1(3 + x) -1 + -1x = 7 + (3 * -1 + x * -1) -1 + -1x = 7 + (-3 + -1x) Combine like terms: 7 + -3 = 4 -1 + -1x = 4 + -1x Add 'x' to each side of the equation. -1 + -1x + x = 4 + -1x + x Combine like terms: -1x + x = 0 -1 + 0 = 4 + -1x + x -1 = 4 + -1x + x Combine like terms: -1x + x = 0 -1 = 4 + 0 -1 = 4 Solving -1 = 4 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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