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Simplifying 7 + 8x = 4(2x + -5) Reorder the terms: 7 + 8x = 4(-5 + 2x) 7 + 8x = (-5 * 4 + 2x * 4) 7 + 8x = (-20 + 8x) Add '-8x' to each side of the equation. 7 + 8x + -8x = -20 + 8x + -8x Combine like terms: 8x + -8x = 0 7 + 0 = -20 + 8x + -8x 7 = -20 + 8x + -8x Combine like terms: 8x + -8x = 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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