Answer:

Step-by-step explanation:
You only need to isolate the term a to solve this problem.
Add by 3 from both sides.

Solve.
0+3=3
a/7<3
Multiply by 7 from both sides.

Solve.
3*7=21
<u>a<21</u>
As a result, the solution is a<21, which is our answer.
Answer:
it gets multiplied by the value of the root .that is just more concise way of writing it .
Step-by-step explanation:
Answer:
17y-9x
Step-by-step explanation:
12y-6x+5y-3x
12y+5y-6x-3x
17y-9x
I think you mean "ratio", not "raito." Ummm... The answer is 30 models that were sold
I'm not sure how euros work but I'm almost certain there are 18 20p coins