Answer:
a ≥ 3
Step-by-step explanation:
-4a + 5 ≤ -7
First, subtract 5 from both sides of the equation to isolate -4a:
-4a + 5 - 5 ≤ -7 - 5
-4a ≤ -12
Now, both numbers are negative and divisible by 4 so divide both sides by -4:
[tex]\frac{-4a}{-4a} \geq \frac{-12}{-4}[/tex]
a ≥ 3
Hope this helps!