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Simplifying -2x + 7 = 4(x + -5) + (-6x) Reorder the terms: 7 + -2x = 4(x + -5) + (-6x) Reorder the terms: 7 + -2x = 4(-5 + x) + (-6x) 7 + -2x = (-5 * 4 + x * 4) + (-6x) 7 + -2x = (-20 + 4x) + (-6x) Combine like terms: 4x + (-6x) = -2x 7 + -2x = -20 + -2x Add '2x' to each side of the equation. 7 + -2x + 2x = -20 + -2x + 2x Combine like terms: -2x + 2x = 0 7 + 0 = -20 + -2x + 2x 7 = -20 + -2x + 2x Combine like terms: -2x + 2x = 0 7 = -20 + 0 7 = -20 Solving 7 = -20 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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