The sequence is geometric and the common ratio is 2
Answer:
21
Step-by-step explanation:
21-12=9
Step-by-step explanation:
x+2x+3<36
3×<33
x<11
the number is less than 11
Greetings!
"<span>Six times a number increased by 20 is four less than eight times the number. Find the number."...
This would be, as an equation:
</span>

Solve:
Add
4 and
-6x to both sides.

Simplify.

Divide both sides by
2.

Simplify.


<span>
x=12Hope this helps.
-Benjamin
</span>