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Simplifying -4 + -4(2 + -7x) = -4(6 + -7x) + -7 -4 + (2 * -4 + -7x * -4) = -4(6 + -7x) + -7 -4 + (-8 + 28x) = -4(6 + -7x) + -7 Combine like terms: -4 + -8 = -12 -12 + 28x = -4(6 + -7x) + -7 -12 + 28x = (6 * -4 + -7x * -4) + -7 -12 + 28x = (-24 + 28x) + -7 Reorder the terms: -12 + 28x = -24 + -7 + 28x Combine like terms: -24 + -7 = -31 -12 + 28x = -31 + 28x Add '-28x' to each side of the equation. -12 + 28x + -28x = -31 + 28x + -28x Combine like terms: 28x + -28x = 0 -12 + 0 = -31 + 28x + -28x -12 = -31 + 28x + -28x Combine like terms: 28x + -28x = 0 -12 = -31 + 0 -12 = -31 Solving -12 = -31 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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