Answer:
21kg
Step-by-step explanation:
We will do this.
11x - 12 = 7x
11x - 4x = 7x
4x = 12
4x/4 = 12/4
x = 3
3 x 7 = 21
Laura weighs 21 kg.
Answer:
it has infinitely many solutions because it can be solved by many technics
Step-by-step explanation:
hope my answer helps mark me brianliest plz
Answer:
i thought you was a guy ?
Step-by-step explanation:
It is four. So two and two you add them together to be four. Good job. Your learning :)