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Simplifying 4x + -9 = f(-4) Reorder the terms: -9 + 4x = f(-4) Reorder the terms for easier multiplication: -9 + 4x = -4f Solving -9 + 4x = -4f Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + 4x = 9 + -4f Combine like terms: -9 + 9 = 0 0 + 4x = 9 + -4f 4x = 9 + -4f Divide each side by '4'. x = 2.25 + -1f Simplifying x = 2.25 + -1f
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