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Solve the inequality -3x + 7 <= 1

Worked through step by step. More algebra.

Answer
x2 (or [2,))\boxed{x \ge 2 \text{ (or } [2, \infty))}

Checking the result, substituting x=2x = 2 gives 3(2)+7=1-3(2) + 7 = 1, which satisfies the equation, and choosing x=3x = 3 gives 3(3)+7=21-3(3) + 7 = -2 \le 1, which satisfies the inequality.

Problem: Solve the inequality 3x+71-3x + 7 \le 1.

Steps

  1. Subtract 7 from both sides
    3x17-3x \le 1 - 7
  2. Simplify the right side
    3x6-3x \le -6
  3. Divide both sides by -3 and reverse the inequality sign
    x63x \ge \frac{-6}{-3}
  4. Simplify the fraction
    x2x \ge 2

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