Solve $7x + 3 < 5x + 9$ over the real numbers.
A$x < 3$
B$x > 3$
C$x < -3$
D$x \leq 3$
Answer & Solution
Correct answer: A. $x < 3$
$7x - 5x < 9 - 3 \Rightarrow 2x < 6 \Rightarrow x < 3$.
Verify with $x = 0$: $3 < 9$ ✓.
Related questions
Direct: The mother said, 'Sleep now, my child.' Indirect form isDirect: She said to him, 'Can you help me?' Indirect form isDirect: She said, 'May God bless you!' Indirect form isDirect: The boy said, 'Alas! I have failed.' Indirect form isDirect: He said, 'I bought this book yesterday.' Indirect form isDirect: He said, 'I will see you tomorrow.' Indirect form isDirect: She said, 'Hurrah! We have won the match.' Indirect form isDirect: He said to her, 'Please help me.' Indirect form is