C=-2 because you would transfer to the other side making it negative. It can't be a negative so you divide -1 to 2. Making it -2.
462,093 round to the nearest ten thousand is 60,000 because 2 is less and 6 is greater so 6 stay the same
Answer:
4y is your answer........
Let,
12x + 15y =34--------(1)
-6x + 5y =3-------(2)
(2) x 2 = -12x + 10y =6-------(3)
(3) + (1)
20y =40
y= 2
substitute y=2 into (1)
12x + 15(2) =34
12x =4
x= 1/3