Question

What is the solution for this inequality?


-4x < 28
.....Select one of the options below as your answer:... A. x > -7 B. x < 7 C. x < -7 D. x > 7

Answer 1

To get x by itself on one side of the equation, you need to divide both sides by -4. Remember, anytime you multiply or divide both sides of an inequality by a negative value, you must flip the sign. So we have:
\[x > (28/-4) \]
\[x > -7\]

Answer 2

What is the solution for this inequality?
5x < 45
Select one of the options below as your answer: A. x > -9 B. x < 9 C. x < -9 D. x > 9