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4-2x >= 1-x
Which of the following best describes the solutions to the inequality shown?
Choose 1 answer:
(A) 
x <= 1
(B) 
x >= 3
(C) 
x <= 3
(D) 
x <= -5

42x1x 4-2 x \geq 1-x \newlineWhich of the following best describes the solutions to the inequality shown?\newlineChoose 11 answer:\newline(A) x1 x \leq 1 \newline(B) x3 x \geq 3 \newline(C) x3 x \leq 3 \newline(D) x5 x \leq-5

Full solution

Q. 42x1x 4-2 x \geq 1-x \newlineWhich of the following best describes the solutions to the inequality shown?\newlineChoose 11 answer:\newline(A) x1 x \leq 1 \newline(B) x3 x \geq 3 \newline(C) x3 x \leq 3 \newline(D) x5 x \leq-5
  1. Add xx to both sides: Simplify the inequality by adding xx to both sides: 42x+x1x+x4 - 2x + x \geq 1 - x + x
  2. Subtract 44 from both sides: This simplifies to 4x14 - x \geq 1; now subtract 44 from both sides: 44x144 - 4 - x \geq 1 - 4
  3. Multiply by 1-1 and flip: This results in x3-x \geq -3; multiply both sides by 1-1 (and remember to flip the inequality sign): 1(x)1(3)-1(-x) \leq -1(-3)
  4. Final result: Simplified, this gives x3x \leq 3

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