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Answer: ASet 1: Linear Inequalities (Advanced)
Explanation
PROBLEM
Solve: 5 - 2x >= x - 7. What is the solution?
Solve: 5 - 2x >= x - 7. What is the solution?
A.✓ Correct
x <= 4
B.
x >= 12
C.
x >= 4
D.
x <= -4
Detailed Explanation
Choice A is the best answer. 12 >= 3x, x <= 4
Why others are wrong:
B: x >= 12 is incorrect because it does not satisfy the equation.
C: x >= 4 is incorrect because it does not satisfy the equation.
D: x <= -4 is incorrect because it does not satisfy the equation.