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Simplifying F(x) = 4(x + 9) + 9 Multiply F * x xF = 4(x + 9) + 9 Reorder the terms: xF = 4(9 + x) + 9 xF = (9 * 4 + x * 4) + 9 xF = (36 + 4x) + 9 Reorder the terms: xF = 36 + 9 + 4x Combine like terms: 36 + 9 = 45 xF = 45 + 4x Solving xF = 45 + 4x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4x' to each side of the equation. -4x + xF = 45 + 4x + -4x Combine like terms: 4x + -4x = 0 -4x + xF = 45 + 0 -4x + xF = 45 Reorder the terms: -45 + -4x + xF = 45 + -45 Combine like terms: 45 + -45 = 0 -45 + -4x + xF = 0 The solution to this equation could not be determined.
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