Answer:
9
Step-by-step explanation:
Let's first convert this to numbers. When a number is decreased by a certain amount, that is the same as saying that something is subtracted from it. Therefore:
a-7=2
Add 7 to both sides:
a-7+7=2+7
a=9
Hope this helps!
Answer:
A
Step-by-step explanation:
6/9=18/27
I just divided 27 by 3 which is 9
Answer:
it costs 2 dollars :)
Step-by-step explanation:
Such an expression is in its Simpliest Form