Answer:b
:D
Step-by-step explanation:d
504
Answer:
x=2
Step-by-step explanation:
combine like terms to get 15x=30. divide by 15 on both sides to get x=2
(2x-1)>3
therefore 2x>3+1
2x>4
2x/2>4/2
therefore x>2
8
6.4n-10=4.4n+6
6.4n-4.4n=6+10
2n=16
n=8