2x - 1(4x + 2)
2x - 4x - 2
- 2x - 2
Answer:
x=15 y=12 z=2
Step-by-step explanation:
4x=60 x=15
5y=60 y=12
2z=4 z=2
Answer: 4535
Step-by-step explanation:
she has 17 slik roses already, and 6 friends give her 3 silk roses each, so that's 6 times 3, which makes 18, and 17 plus 18 is 35, so she has 35 silk roses in all.
Answer:
see below
Step-by-step explanation:
Closed under addition, subtraction and multiplication
Not closed under division :-
for example 3/4 = 0.75 which is not an integer