Answer:
1.5
Step-by-step explanation:
30/20
Answer:
3(x-7) – x=2x-21 <em>( the equation)</em>
--> infinitely many solutions
Step-by-step explanation:
A trum-pet ;) almost got me there
Answer:
Step-by-step explanation:
Let's start with distributing:
Simplify i with i in the second term, and rearrange.
. Since i in the denominator looks ugly, let's multiply top and bottom by i.
. The middle passage is based on the fact that, by definition, 