Answer:
solutions: -15, 4 3/4
not solutions: 10 2/3 and 129
Step-by-step explanation:
Let's solve the inequality first
[tex]20 \geqslant 5 + 3x \\ 20 - 5 \geqslant 3x \\ 15 \geqslant 3x \\ 5 \geqslant x[/tex]
so solution set must contain all the values that are less than equal to 5.
-15 and 4 3/4 are less than 5
so these are solutions.
129 and 10 2/3 are bigger than 5. That means these are not solutions.
