Answer:
2.1
Step-by-step explanation:
let unknown number be x
3/4x + 3.5= 6.5 - 2/3x
collect like terms
3/4x+2/3x=6.5 - 3.5
17/12x = 3
cross multiply
12 * 3=17x
36=17x
x=36/17
x=2.1
c
-15
The (/) is also a division sign
-15/3 + 22 =17
-5 + 22= 17
That would be 770,000 Answer