Answer:

Step-by-step explanation:
Given

Required
Determine its equivalent

Start opening the brackets:

Collect Like Terms

Add and subtract like terms

I don't understand the English. I would've loved to help though.
Answer:
for the fraction its 2,5 for the percentage its 40%
Answer:
I got (1,2).
Step-by-step explanation:
Process of elimination:
Multiply the second equation by 3 to get same terms, subtract and solve for Y to get 2.
Plug 2 into second equation for Y to get x=1
(1,2)
Answer:
bravo! lol i loveee that song smm!