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Simplifying -4(x + 4) + 9 = 7 Reorder the terms: -4(4 + x) + 9 = 7 (4 * -4 + x * -4) + 9 = 7 (-16 + -4x) + 9 = 7 Reorder the terms: -16 + 9 + -4x = 7 Combine like terms: -16 + 9 = -7 -7 + -4x = 7 Solving -7 + -4x = 7 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -4x = 7 + 7 Combine like terms: -7 + 7 = 0 0 + -4x = 7 + 7 -4x = 7 + 7 Combine like terms: 7 + 7 = 14 -4x = 14 Divide each side by '-4'. x = -3.5 Simplifying x = -3.5
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