Answer:
2x-6
I don't know what you mean by correction, but that's in expression form.
Start with

Multiply the whole equation by 2. Since 2 is positive, we don't need to switch the inequality sign:

Subtract 3 from both sides:

Answer:
x < 1/4
Step-by-step explanation:
Answer:
$12
Step-by-step explanation:
3 cars divide that by $18 and u get $6 per car. multiply that by two cars nd you get $12.