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Simplifying 8 + -4(7x + 1) = 9 Reorder the terms: 8 + -4(1 + 7x) = 9 8 + (1 * -4 + 7x * -4) = 9 8 + (-4 + -28x) = 9 Combine like terms: 8 + -4 = 4 4 + -28x = 9 Solving 4 + -28x = 9 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -28x = 9 + -4 Combine like terms: 4 + -4 = 0 0 + -28x = 9 + -4 -28x = 9 + -4 Combine like terms: 9 + -4 = 5 -28x = 5 Divide each side by '-28'. x = -0.1785714286 Simplifying x = -0.1785714286
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