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Simplifying -5x + 7x + -7 = 2(x + -4) + -3 Reorder the terms: -7 + -5x + 7x = 2(x + -4) + -3 Combine like terms: -5x + 7x = 2x -7 + 2x = 2(x + -4) + -3 Reorder the terms: -7 + 2x = 2(-4 + x) + -3 -7 + 2x = (-4 * 2 + x * 2) + -3 -7 + 2x = (-8 + 2x) + -3 Reorder the terms: -7 + 2x = -8 + -3 + 2x Combine like terms: -8 + -3 = -11 -7 + 2x = -11 + 2x Add '-2x' to each side of the equation. -7 + 2x + -2x = -11 + 2x + -2x Combine like terms: 2x + -2x = 0 -7 + 0 = -11 + 2x + -2x -7 = -11 + 2x + -2x Combine like terms: 2x + -2x = 0 -7 = -11 + 0 -7 = -11 Solving -7 = -11 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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